diff --git a/agent/service-message-maven-extension/.mvn/extensions.xml b/agent/service-message-maven-extension/.mvn/extensions.xml
index 7cf3cab8..1ac0c48a 100644
--- a/agent/service-message-maven-extension/.mvn/extensions.xml
+++ b/agent/service-message-maven-extension/.mvn/extensions.xml
@@ -3,7 +3,7 @@
     <extension>
         <groupId>com.gradle</groupId>
         <artifactId>develocity-maven-extension</artifactId>
-        <version>1.21.4</version>
+        <version>1.21.6</version>
     </extension>
     <extension>
         <groupId>com.gradle</groupId>
diff --git a/agent/service-message-maven-extension/pom.xml b/agent/service-message-maven-extension/pom.xml
index 255ee042..5cbcbdeb 100644
--- a/agent/service-message-maven-extension/pom.xml
+++ b/agent/service-message-maven-extension/pom.xml
@@ -34,7 +34,7 @@
         <dependency>
             <groupId>com.gradle</groupId>
             <artifactId>develocity-maven-extension</artifactId>
-            <version>1.21.4</version>
+            <version>1.21.6</version>
             <scope>provided</scope>
         </dependency>
         <dependency>