diff --git a/ci-templates/build.yml b/ci-templates/build.yml
index 9a9ba16bba19c339c8a271f13447422c2944d061..44bf144f48856a41db64e3a83b7ca85c4fa61ba4 100644
--- a/ci-templates/build.yml
+++ b/ci-templates/build.yml
@@ -26,7 +26,7 @@
 .angular_build:
   extends: .default
   stage: build
-  image: trion/ng-cli:14.2.6
+  image: trion/ng-cli:13.3.7
   script:
     - |
       if [ ! -f  "./src/assets/config/theming.scss" ]; then
diff --git a/ci-templates/build_unprotected.yml b/ci-templates/build_unprotected.yml
index a5c86697e727ef62c38b8c1801f0f23ec20c0b4e..f936c46943eeba1fe4d167b58f1dcc658f0b0445 100644
--- a/ci-templates/build_unprotected.yml
+++ b/ci-templates/build_unprotected.yml
@@ -20,7 +20,7 @@
 .angular_build:
   extends: .default
   stage: build
-  image: trion/ng-cli:14.2.6
+  image: trion/ng-cli:13.3.7
   script:
     - |
       if [ ! -f  "./src/assets/config/theming.scss" ]; then