diff --git a/.github/workflows/registry-ci.yml b/.github/workflows/registry-ci.yml
index 041933951..45e855497 100644
--- a/.github/workflows/registry-ci.yml
+++ b/.github/workflows/registry-ci.yml
@@ -7,6 +7,7 @@ on:
 
 jobs:
   setup-and-test:
+    name: setup-and-test (php=${{ matrix.php }}, db=${{ matrix.db.engine }})
     runs-on:
       - codebuild-comanage-pipeline-${{ github.run_id }}-${{ github.run_attempt }}
 
@@ -228,13 +229,20 @@ jobs:
           PHP
           sudo chown www-data:www-data database.php || true
 
-      - name: Show working directory
+      - name: Show (tree) working directory
         working-directory: ${{ env.COMANAGE_REGISTRY_DIR }}
         shell: bash
         run: |
           set -euxo pipefail
           tree -L 3 "${COMANAGE_REGISTRY_DIR}"
 
+      - name: Composer update phpunit only
+        shell: bash
+        working-directory: ${{ env.COMANAGE_REGISTRY_DIR }}/app
+        run: |
+          set -euxo pipefail
+          composer update phpunit/phpunit --with-all-dependencies
+
       - name: Run PHPUnit (DB_ENGINE=${{ matrix.db.engine }})
         shell: bash
         working-directory: ${{ env.COMANAGE_REGISTRY_DIR }}/app