diff --git a/docker-compose-dev.yaml b/docker-compose-dev.yaml
index 9728d94..58359b1 100644
--- a/docker-compose-dev.yaml
+++ b/docker-compose-dev.yaml
@@ -16,7 +16,7 @@ services:
     ports:
       - "6667:5432"
   big-bucket:
-    image: harbor.dinauer.dev/big-bucket/core:13
+    image: big-bucket-test
     ports:
       - "8090:8080"
     environment:
diff --git a/pom.xml b/pom.xml
index e145acb..8fd6258 100644
--- a/pom.xml
+++ b/pom.xml
@@ -130,6 +130,8 @@
                 <version>${compiler-plugin.version}</version>
                 <configuration>
                     <parameters>true</parameters>
+                    <source>21</source>
+                    <target>21</target>
                 </configuration>
             </plugin>
             <plugin>