diff --git a/.gitlab/ci/pcp-tgu-service.yml b/.gitlab/ci/pcp-tgu-service.yml
index 40fb906..d5f321e 100644
--- a/.gitlab/ci/pcp-tgu-service.yml
+++ b/.gitlab/ci/pcp-tgu-service.yml
@@ -87,7 +87,7 @@ variables:
 
 tgu:test:
   stage: test
-  image: eclipse-temurin:21-jdk
+  image: repo.nstart.cloud/library/gradle:jdk21-ubi10
   extends:
     - .tgu:rules:test
     - .tgu:gradle-cache
@@ -104,7 +104,7 @@ tgu:test:
 
 tgu:build:
   stage: build
-  image: eclipse-temurin:21-jdk
+  image: repo.nstart.cloud/library/gradle:jdk21-ubi10
   extends:
     - .tgu:rules:build-and-image
     - .tgu:gradle-cache