diff --git a/camunda-7-adapter/src/test/java/org/camunda/community/migration/adapter/worker/CamundaPlatform7DelegationWorkerTest.java b/camunda-7-adapter/src/test/java/org/camunda/community/migration/adapter/worker/CamundaPlatform7DelegationWorkerTest.java
index 6943970db..0cb3c4b1d 100644
--- a/camunda-7-adapter/src/test/java/org/camunda/community/migration/adapter/worker/CamundaPlatform7DelegationWorkerTest.java
+++ b/camunda-7-adapter/src/test/java/org/camunda/community/migration/adapter/worker/CamundaPlatform7DelegationWorkerTest.java
@@ -198,5 +198,15 @@ public FinalCommandStep<CompleteJobResponse> requestTimeout(Duration requestTime
     public ZeebeFuture<CompleteJobResponse> send() {
       return mock(ZeebeFuture.class);
     }
+
+    @Override
+    public CompleteJobCommandStep1 useRest() {
+      throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CompleteJobCommandStep1 useGrpc() {
+      throw new UnsupportedOperationException();
+    }
   }
 }
diff --git a/pom.xml b/pom.xml
index 53d76d3e5..5521a78cd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
     <maven.compiler.source>${version.java}</maven.compiler.source>
     <maven.compiler.target>${version.java}</maven.compiler.target>
 
-    <version.zeebe>8.5.8</version.zeebe>
+    <version.zeebe>8.6.3</version.zeebe>
     <version.spring-boot-starter-camunda>8.5.11</version.spring-boot-starter-camunda>
     <version.zeebe-process-test-extension-testcontainer>8.6.3</version.zeebe-process-test-extension-testcontainer>
     <version.camunda.platform>7.22.0</version.camunda.platform>