diff --git a/.github/workflows/_test.yml b/.github/workflows/_test.yml
index 3a4f0d4d2..29eab4cd3 100644
--- a/.github/workflows/_test.yml
+++ b/.github/workflows/_test.yml
@@ -35,6 +35,7 @@ jobs:
           cache-key: test-${{ inputs.working-directory }}
       - name: Login to Docker Hub
         uses: docker/login-action@v3
+        if: ${{ !github.event.pull_request.head.repo.fork }}
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_RO_TOKEN }}
diff --git a/.github/workflows/_test_langgraph.yml b/.github/workflows/_test_langgraph.yml
index 2aad17993..b93e75d92 100644
--- a/.github/workflows/_test_langgraph.yml
+++ b/.github/workflows/_test_langgraph.yml
@@ -37,6 +37,7 @@ jobs:
           cache-key: test-langgraph
       - name: Login to Docker Hub
         uses: docker/login-action@v3
+        if: ${{ !github.event.pull_request.head.repo.fork }}
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_RO_TOKEN }}
diff --git a/.github/workflows/_test_scheduler_kafka.yml b/.github/workflows/_test_scheduler_kafka.yml
index da01a9bd8..1f0edf420 100644
--- a/.github/workflows/_test_scheduler_kafka.yml
+++ b/.github/workflows/_test_scheduler_kafka.yml
@@ -29,6 +29,7 @@ jobs:
           cache-key: test-scheduler-kafka
       - name: Login to Docker Hub
         uses: docker/login-action@v3
+        if: ${{ !github.event.pull_request.head.repo.fork }}
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_RO_TOKEN }}