diff --git a/jsonmerge-core/pom.xml b/jsonmerge-core/pom.xml
index ee50ea3..ac85cdb 100644
--- a/jsonmerge-core/pom.xml
+++ b/jsonmerge-core/pom.xml
@@ -84,6 +84,10 @@
                     <groupId>io.netty</groupId>
                     <artifactId>netty-handler</artifactId>
                 </exclusion>
+                <exclusion>
+                    <groupId>io.netty</groupId>
+                    <artifactId>netty-codec</artifactId>
+                </exclusion>
             </exclusions>
         </dependency>