diff --git a/pom.xml b/pom.xml
index 3fa799a..a3321b0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -386,6 +386,7 @@
       <groupId>org.assertj</groupId>
       <artifactId>assertj-core</artifactId>
       <version>3.18.0</version>
+      <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>io.netty</groupId>