diff --git a/all/pom.xml b/all/pom.xml
index ad62b82d5a..1b802af30c 100644
--- a/all/pom.xml
+++ b/all/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-all</artifactId>
diff --git a/bom/pom.xml b/bom/pom.xml
index f4c57e7096..130580730b 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -25,7 +25,7 @@
 
   <groupId>io.netty</groupId>
   <artifactId>netty-bom</artifactId>
-  <version>4.1.19.Final</version>
+  <version>4.1.20.Final-SNAPSHOT</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>netty-4.1.19.Final</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <developers>
@@ -69,165 +69,165 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-buffer</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-dns</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-haproxy</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-http</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-http2</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-memcache</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-mqtt</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-redis</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-smtp</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-socks</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-stomp</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-codec-xml</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-common</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-dev-tools</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-handler</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-handler-proxy</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-resolver</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-resolver-dns</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-rxtx</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-sctp</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-udt</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-example</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-all</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-unix-common</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-unix-common</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
         <classifier>linux-x86_64</classifier>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-unix-common</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
         <classifier>osx-x86_64</classifier>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-epoll</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-epoll</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
         <classifier>linux-x86_64</classifier>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-kqueue</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-kqueue</artifactId>
-        <version>4.1.19.Final</version>
+        <version>4.1.20.Final-SNAPSHOT</version>
         <classifier>osx-x86_64</classifier>
       </dependency>
     </dependencies>
diff --git a/buffer/pom.xml b/buffer/pom.xml
index 44f469aa77..b55b2fc018 100644
--- a/buffer/pom.xml
+++ b/buffer/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-buffer</artifactId>
diff --git a/codec-dns/pom.xml b/codec-dns/pom.xml
index da9e0d843d..e8d02365ac 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-dns</artifactId>
diff --git a/codec-haproxy/pom.xml b/codec-haproxy/pom.xml
index 52945f0d59..8e5be93c65 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-haproxy</artifactId>
diff --git a/codec-http/pom.xml b/codec-http/pom.xml
index c758a30f56..c1b2a98e03 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-http</artifactId>
diff --git a/codec-http2/pom.xml b/codec-http2/pom.xml
index 8583f8697c..85ff4951f7 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-http2</artifactId>
diff --git a/codec-memcache/pom.xml b/codec-memcache/pom.xml
index 4793dab401..4904421d4b 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-memcache</artifactId>
diff --git a/codec-mqtt/pom.xml b/codec-mqtt/pom.xml
index 1c77c77e71..2fac4c2c5e 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-mqtt</artifactId>
diff --git a/codec-redis/pom.xml b/codec-redis/pom.xml
index 95d07cb8c6..f40c3a7eb9 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-redis</artifactId>
diff --git a/codec-smtp/pom.xml b/codec-smtp/pom.xml
index 9bd8a41f8b..7f2a1498b9 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-smtp</artifactId>
diff --git a/codec-socks/pom.xml b/codec-socks/pom.xml
index 5d74d51887..1321b6663b 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-socks</artifactId>
diff --git a/codec-stomp/pom.xml b/codec-stomp/pom.xml
index 5de39d8e07..98433d36de 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-stomp</artifactId>
diff --git a/codec-xml/pom.xml b/codec-xml/pom.xml
index 763c3bfff4..dfd4a7dce1 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec-xml</artifactId>
diff --git a/codec/pom.xml b/codec/pom.xml
index 10353fb6a5..1d791e85c0 100644
--- a/codec/pom.xml
+++ b/codec/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-codec</artifactId>
diff --git a/common/pom.xml b/common/pom.xml
index ef957206a0..62fb4a2dd7 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-common</artifactId>
diff --git a/dev-tools/pom.xml b/dev-tools/pom.xml
index 99da89b6a6..20c042f2a8 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>4.1.19.Final</version>
+  <version>4.1.20.Final-SNAPSHOT</version>
 
   <name>Netty/Dev-Tools</name>
 
@@ -50,8 +50,4 @@
       </plugin>
     </plugins>
   </build>
-
-  <scm>
-    <tag>netty-4.1.19.Final</tag>
-  </scm>
 </project>
diff --git a/example/pom.xml b/example/pom.xml
index e6af1e3d69..f4d3cbd7f6 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-example</artifactId>
diff --git a/handler-proxy/pom.xml b/handler-proxy/pom.xml
index 6fac837f1c..daf1b5e261 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-handler-proxy</artifactId>
diff --git a/handler/pom.xml b/handler/pom.xml
index 2515c44764..23d515b1dd 100644
--- a/handler/pom.xml
+++ b/handler/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-handler</artifactId>
diff --git a/microbench/pom.xml b/microbench/pom.xml
index bcd36d04f7..81b5840168 100644
--- a/microbench/pom.xml
+++ b/microbench/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-microbench</artifactId>
diff --git a/pom.xml b/pom.xml
index a4b9883d89..2f2894c7f5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
   <groupId>io.netty</groupId>
   <artifactId>netty-parent</artifactId>
   <packaging>pom</packaging>
-  <version>4.1.19.Final</version>
+  <version>4.1.20.Final-SNAPSHOT</version>
 
   <name>Netty</name>
   <url>http://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>netty-4.1.19.Final</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <developers>
diff --git a/resolver-dns/pom.xml b/resolver-dns/pom.xml
index e220e47109..85e53ce6c3 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-resolver-dns</artifactId>
diff --git a/resolver/pom.xml b/resolver/pom.xml
index bcd49bcd67..be30a7cafd 100644
--- a/resolver/pom.xml
+++ b/resolver/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-resolver</artifactId>
diff --git a/tarball/pom.xml b/tarball/pom.xml
index cbbb2483be..61e5c50081 100644
--- a/tarball/pom.xml
+++ b/tarball/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-tarball</artifactId>
diff --git a/testsuite-autobahn/pom.xml b/testsuite-autobahn/pom.xml
index 69ab6531a6..a7bb902b84 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-testsuite-autobahn</artifactId>
diff --git a/testsuite-osgi/pom.xml b/testsuite-osgi/pom.xml
index 309888bda7..adbb776166 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-testsuite-osgi</artifactId>
diff --git a/testsuite/pom.xml b/testsuite/pom.xml
index f9cd56e991..5645470e07 100644
--- a/testsuite/pom.xml
+++ b/testsuite/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-testsuite</artifactId>
diff --git a/transport-native-epoll/pom.xml b/transport-native-epoll/pom.xml
index fad98225a7..03f73165b4 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
   <artifactId>netty-transport-native-epoll</artifactId>
 
diff --git a/transport-native-kqueue/pom.xml b/transport-native-kqueue/pom.xml
index 76117bbddf..fbda060cdf 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</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 b7464cf2c1..c400dfe34b 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</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 081617c733..33a50b3ca4 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
   <artifactId>netty-transport-native-unix-common</artifactId>
 
diff --git a/transport-rxtx/pom.xml b/transport-rxtx/pom.xml
index 8efff87c97..bdf626ef3d 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-transport-rxtx</artifactId>
diff --git a/transport-sctp/pom.xml b/transport-sctp/pom.xml
index 6d68323cc1..13251c80c8 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-transport-sctp</artifactId>
diff --git a/transport-udt/pom.xml b/transport-udt/pom.xml
index 8c24b2d02e..3229548c69 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>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-transport-udt</artifactId>
diff --git a/transport/pom.xml b/transport/pom.xml
index 575d81e97f..c01c75d03b 100644
--- a/transport/pom.xml
+++ b/transport/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>io.netty</groupId>
     <artifactId>netty-parent</artifactId>
-    <version>4.1.19.Final</version>
+    <version>4.1.20.Final-SNAPSHOT</version>
   </parent>
 
   <artifactId>netty-transport</artifactId>