diff --git a/.github/workflows/run-system-tests.yml b/.github/workflows/run-system-tests.yml
index 78d315beedd2..87a727a50ef8 100644
--- a/.github/workflows/run-system-tests.yml
+++ b/.github/workflows/run-system-tests.yml
@@ -1,15 +1,15 @@
 name: Run System Tests
-on:
-  push:
-    branches:
-      - 'main'
+on: pull_request
+  # push:
+  #   branches:
+  #     - 'main'
 permissions:
   contents: read
 jobs:
   run-system-tests:
     name: 'Java ${{ matrix.java.version}}'
-    if: ${{ github.repository == 'spring-projects/spring-boot' }}
-    runs-on: ${{ vars.UBUNTU_MEDIUM || 'ubuntu-latest' }}
+    # if: ${{ github.repository == 'spring-projects/spring-boot' }}
+    runs-on: tenki-standard-autoscale
     strategy:
       matrix:
         java:
@@ -23,18 +23,18 @@ jobs:
       - name: Prepare Gradle Build
         uses: ./.github/actions/prepare-gradle-build
         with:
-          develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
+          develocity-access-key: dummy-key
           java-toolchain: ${{ matrix.java.toolchain }}
           java-version: ${{ matrix.java.version }}
       - name: Run System Tests
         id: run-system-tests
         shell: bash
         run: ./gradlew systemTest
-      - name: Send Notification
-        if: always()
-        uses: ./.github/actions/send-notification
-        with:
-          build-scan-url: ${{ steps.run-system-tests.outputs.build-scan-url }}
-          run-name: ${{ format('{0} | System Tests | Java {1}', github.ref_name, matrix.java.version) }}
-          status: ${{ job.status }}
-          webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}
+      # - name: Send Notification
+      #   if: always()
+      #   uses: ./.github/actions/send-notification
+      #   with:
+      #     build-scan-url: ${{ steps.run-system-tests.outputs.build-scan-url }}
+      #     run-name: ${{ format('{0} | System Tests | Java {1}', github.ref_name, matrix.java.version) }}
+      #     status: ${{ job.status }}
+      #     webhook-url: ${{ secrets.GOOGLE_CHAT_WEBHOOK_URL }}