diff --git a/all/pom.xml b/all/pom.xml
index b0fc7c2cc8..1a26e00ecf 100644
--- a/all/pom.xml
+++ b/all/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-all</artifactId>
diff --git a/bom/pom.xml b/bom/pom.xml
index 135b9dd651..6fe29956d9 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -25,7 +25,7 @@
 
   <groupId>io.netty</groupId>
   <artifactId>netty-bom</artifactId>
-  <version>4.1.55.Final-SNAPSHOT</version>
+  <version>4.1.55.Final</version>
   <packaging>pom</packaging>
 
   <name>Netty/BOM</name>
@@ -49,7 +49,7 @@
     <url>https://github.com/netty/netty</url>
     <connection>scm:git:git://github.com/netty/netty.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/netty/netty.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>netty-4.1.55.Final</tag>
   </scm>
 
   <developers>
@@ -69,188 +69,188 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-buffer</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-dns</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-haproxy</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-http</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-http2</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-memcache</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-mqtt</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-redis</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-smtp</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-socks</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-stomp</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-xml</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-common</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-dev-tools</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-handler</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-handler-proxy</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-resolver</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-resolver-dns</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-rxtx</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-sctp</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-udt</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-example</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-all</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-resolver-dns-native-macos</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-resolver-dns-native-macos</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
         <classifier>osx-x86_64</classifier>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-unix-common</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-unix-common</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
         <classifier>linux-aarch64</classifier>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-unix-common</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
         <classifier>linux-x86_64</classifier>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-unix-common</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
         <classifier>osx-x86_64</classifier>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-epoll</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-epoll</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
         <classifier>linux-aarch64</classifier>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-epoll</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
         <classifier>linux-x86_64</classifier>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-kqueue</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-kqueue</artifactId>
-        <version>4.1.55.Final-SNAPSHOT</version>
+        <version>4.1.55.Final</version>
         <classifier>osx-x86_64</classifier>
       </dependency>
     </dependencies>
diff --git a/buffer/pom.xml b/buffer/pom.xml
index bce394fc3d..58259f8637 100644
--- a/buffer/pom.xml
+++ b/buffer/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-buffer</artifactId>
diff --git a/codec-dns/pom.xml b/codec-dns/pom.xml
index 38049f6e3b..cbcb056022 100644
--- a/codec-dns/pom.xml
+++ b/codec-dns/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-dns</artifactId>
diff --git a/codec-haproxy/pom.xml b/codec-haproxy/pom.xml
index 9932b373a0..ddcbaecb19 100644
--- a/codec-haproxy/pom.xml
+++ b/codec-haproxy/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-haproxy</artifactId>
diff --git a/codec-http/pom.xml b/codec-http/pom.xml
index 2246085267..7908ad50c8 100644
--- a/codec-http/pom.xml
+++ b/codec-http/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-http</artifactId>
diff --git a/codec-http2/pom.xml b/codec-http2/pom.xml
index 9635e5f224..e0c7d83f9c 100644
--- a/codec-http2/pom.xml
+++ b/codec-http2/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-http2</artifactId>
diff --git a/codec-memcache/pom.xml b/codec-memcache/pom.xml
index 0bccb27d61..7f96d665f2 100644
--- a/codec-memcache/pom.xml
+++ b/codec-memcache/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-memcache</artifactId>
diff --git a/codec-mqtt/pom.xml b/codec-mqtt/pom.xml
index 0d6b98ebbb..ee7d55fb73 100644
--- a/codec-mqtt/pom.xml
+++ b/codec-mqtt/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-mqtt</artifactId>
diff --git a/codec-redis/pom.xml b/codec-redis/pom.xml
index 05a046be32..c93096835d 100644
--- a/codec-redis/pom.xml
+++ b/codec-redis/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-redis</artifactId>
diff --git a/codec-smtp/pom.xml b/codec-smtp/pom.xml
index f3a131cadd..693ee8385f 100644
--- a/codec-smtp/pom.xml
+++ b/codec-smtp/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-smtp</artifactId>
diff --git a/codec-socks/pom.xml b/codec-socks/pom.xml
index 7c689fd435..c8b3e886f1 100644
--- a/codec-socks/pom.xml
+++ b/codec-socks/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-socks</artifactId>
diff --git a/codec-stomp/pom.xml b/codec-stomp/pom.xml
index 9ed676ef74..8993ba4e02 100644
--- a/codec-stomp/pom.xml
+++ b/codec-stomp/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-stomp</artifactId>
diff --git a/codec-xml/pom.xml b/codec-xml/pom.xml
index 21677a0fea..54cd697f6b 100644
--- a/codec-xml/pom.xml
+++ b/codec-xml/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec-xml</artifactId>
diff --git a/codec/pom.xml b/codec/pom.xml
index c1d9d8375f..f6d0ab2fd5 100644
--- a/codec/pom.xml
+++ b/codec/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-codec</artifactId>
diff --git a/common/pom.xml b/common/pom.xml
index 4509eba036..821b23592d 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-common</artifactId>
diff --git a/dev-tools/pom.xml b/dev-tools/pom.xml
index 718e27158f..1573aeb840 100644
--- a/dev-tools/pom.xml
+++ b/dev-tools/pom.xml
@@ -25,7 +25,7 @@
 
   <groupId>io.netty</groupId>
   <artifactId>netty-dev-tools</artifactId>
-  <version>4.1.55.Final-SNAPSHOT</version>
+  <version>4.1.55.Final</version>
 
   <name>Netty/Dev-Tools</name>
 
@@ -50,4 +50,8 @@
       </plugin>
     </plugins>
   </build>
+
+  <scm>
+    <tag>netty-4.1.55.Final</tag>
+  </scm>
 </project>
diff --git a/example/pom.xml b/example/pom.xml
index 401a48b15e..867a48e51d 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-example</artifactId>
diff --git a/handler-proxy/pom.xml b/handler-proxy/pom.xml
index 06b8ea70e7..9ff7066a60 100644
--- a/handler-proxy/pom.xml
+++ b/handler-proxy/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-handler-proxy</artifactId>
diff --git a/handler/pom.xml b/handler/pom.xml
index 057e5ab649..78fbeffa22 100644
--- a/handler/pom.xml
+++ b/handler/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-handler</artifactId>
diff --git a/microbench/pom.xml b/microbench/pom.xml
index 51db39bca1..8be0b4ef0c 100644
--- a/microbench/pom.xml
+++ b/microbench/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-microbench</artifactId>
diff --git a/pom.xml b/pom.xml
index 61b6129cab..9aa53bf414 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
   <groupId>io.netty</groupId>
   <artifactId>netty-parent</artifactId>
   <packaging>pom</packaging>
-  <version>4.1.55.Final-SNAPSHOT</version>
+  <version>4.1.55.Final</version>
 
   <name>Netty</name>
   <url>https://netty.io/</url>
@@ -53,7 +53,7 @@
     <url>https://github.com/netty/netty</url>
     <connection>scm:git:git://github.com/netty/netty.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/netty/netty.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>netty-4.1.55.Final</tag>
   </scm>
 
   <developers>
diff --git a/resolver-dns-native-macos/pom.xml b/resolver-dns-native-macos/pom.xml
index ae70acba89..0294a7611c 100644
--- a/resolver-dns-native-macos/pom.xml
+++ b/resolver-dns-native-macos/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
   <artifactId>netty-resolver-dns-native-macos</artifactId>
 
diff --git a/resolver-dns/pom.xml b/resolver-dns/pom.xml
index 936ff0804d..844b76aa0a 100644
--- a/resolver-dns/pom.xml
+++ b/resolver-dns/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-resolver-dns</artifactId>
diff --git a/resolver/pom.xml b/resolver/pom.xml
index fe71fc1308..772656976c 100644
--- a/resolver/pom.xml
+++ b/resolver/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-resolver</artifactId>
diff --git a/tarball/pom.xml b/tarball/pom.xml
index d436d2a0b2..c694cf5012 100644
--- a/tarball/pom.xml
+++ b/tarball/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-tarball</artifactId>
diff --git a/testsuite-autobahn/pom.xml b/testsuite-autobahn/pom.xml
index 037d56f19a..e13fcc2d8c 100644
--- a/testsuite-autobahn/pom.xml
+++ b/testsuite-autobahn/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-testsuite-autobahn</artifactId>
diff --git a/testsuite-http2/pom.xml b/testsuite-http2/pom.xml
index 45315fd716..7f5b0fe856 100644
--- a/testsuite-http2/pom.xml
+++ b/testsuite-http2/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-testsuite-http2</artifactId>
diff --git a/testsuite-native-image-client-runtime-init/pom.xml b/testsuite-native-image-client-runtime-init/pom.xml
index eb22b7aa33..fc8a82f116 100644
--- a/testsuite-native-image-client-runtime-init/pom.xml
+++ b/testsuite-native-image-client-runtime-init/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-testsuite-native-image-client-runtime-init</artifactId>
diff --git a/testsuite-native-image-client/pom.xml b/testsuite-native-image-client/pom.xml
index 601b2950e5..8e60a7fb95 100644
--- a/testsuite-native-image-client/pom.xml
+++ b/testsuite-native-image-client/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-testsuite-native-image-client</artifactId>
diff --git a/testsuite-native-image/pom.xml b/testsuite-native-image/pom.xml
index 438e5dad52..3575db415b 100644
--- a/testsuite-native-image/pom.xml
+++ b/testsuite-native-image/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-testsuite-native-image</artifactId>
diff --git a/testsuite-osgi/pom.xml b/testsuite-osgi/pom.xml
index e10190c082..4cdabbd626 100644
--- a/testsuite-osgi/pom.xml
+++ b/testsuite-osgi/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-testsuite-osgi</artifactId>
diff --git a/testsuite-shading/pom.xml b/testsuite-shading/pom.xml
index 77f2b75167..351e578b30 100644
--- a/testsuite-shading/pom.xml
+++ b/testsuite-shading/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-testsuite-shading</artifactId>
diff --git a/testsuite/pom.xml b/testsuite/pom.xml
index f88d010151..ababd1d55a 100644
--- a/testsuite/pom.xml
+++ b/testsuite/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-testsuite</artifactId>
diff --git a/transport-blockhound-tests/pom.xml b/transport-blockhound-tests/pom.xml
index 2604387ece..32afb4d4bb 100644
--- a/transport-blockhound-tests/pom.xml
+++ b/transport-blockhound-tests/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-transport-blockhound-tests</artifactId>
diff --git a/transport-native-epoll/pom.xml b/transport-native-epoll/pom.xml
index becf920e38..46352fe7b1 100644
--- a/transport-native-epoll/pom.xml
+++ b/transport-native-epoll/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
   <artifactId>netty-transport-native-epoll</artifactId>
 
diff --git a/transport-native-kqueue/pom.xml b/transport-native-kqueue/pom.xml
index 49328e9715..bdc4843d09 100644
--- a/transport-native-kqueue/pom.xml
+++ b/transport-native-kqueue/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
   <artifactId>netty-transport-native-kqueue</artifactId>
 
diff --git a/transport-native-unix-common-tests/pom.xml b/transport-native-unix-common-tests/pom.xml
index 6ca5dca712..e3e97d065e 100644
--- a/transport-native-unix-common-tests/pom.xml
+++ b/transport-native-unix-common-tests/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
   <artifactId>netty-transport-native-unix-common-tests</artifactId>
 
diff --git a/transport-native-unix-common/pom.xml b/transport-native-unix-common/pom.xml
index ee9ba978d9..843cdb6c34 100644
--- a/transport-native-unix-common/pom.xml
+++ b/transport-native-unix-common/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
   <artifactId>netty-transport-native-unix-common</artifactId>
 
diff --git a/transport-rxtx/pom.xml b/transport-rxtx/pom.xml
index 1601637b1c..fcd09bfbd0 100644
--- a/transport-rxtx/pom.xml
+++ b/transport-rxtx/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-transport-rxtx</artifactId>
diff --git a/transport-sctp/pom.xml b/transport-sctp/pom.xml
index 25fedd39e7..db48ea31df 100644
--- a/transport-sctp/pom.xml
+++ b/transport-sctp/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-transport-sctp</artifactId>
diff --git a/transport-udt/pom.xml b/transport-udt/pom.xml
index e0cf95e2e0..b2acd5b972 100644
--- a/transport-udt/pom.xml
+++ b/transport-udt/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-transport-udt</artifactId>
diff --git a/transport/pom.xml b/transport/pom.xml
index 91c2265f94..f7640decf8 100644
--- a/transport/pom.xml
+++ b/transport/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.55.Final-SNAPSHOT</version>
+    <version>4.1.55.Final</version>
   </parent>
 
   <artifactId>netty-transport</artifactId>