diff --git a/.crystalintegration.yml b/.crystalintegration.yml
index 843aa7f..7d13979 100644
--- a/.crystalintegration.yml
+++ b/.crystalintegration.yml
@@ -167,14 +167,14 @@ pipeline:
       - ./.ci-make.sh pkg-gen-sha256
       - ./.ci-make.sh preview-sha256
 
-  test-inst-bullseye:
-    image: *deb_test_image_bullseye
+  test-inst-bookworm:
+    image: *deb_test_image_bookworm
     group: pkg-test-1
     commands:
       - ./.ci-make.sh install-run-test ./forgejo_*_amd64.deb
 
-  test-inst-bullseye-user:
-    image: *deb_test_image_bullseye
+  test-inst-bookworm-user:
+    image: *deb_test_image_bookworm
     group: pkg-test-1
     commands:
       - ./.ci-make.sh test-userinst-prep