diff --git a/.github/workflows/helm_pr_deployment.yml b/.github/workflows/helm_pr_deployment.yml
index 2ed33438db1d..d0c31fd01299 100644
--- a/.github/workflows/helm_pr_deployment.yml
+++ b/.github/workflows/helm_pr_deployment.yml
@@ -11,6 +11,7 @@ on:
 
 jobs:
   deploy:
+    if: ${{ github.event.pull_request.head.repo.full_name == 'ls1intum/Artemis' }}
     runs-on: ubuntu-latest
     environment: k8s
     concurrency: k8s-pr${{ github.event.pull_request.number }}
diff --git a/.github/workflows/helm_pr_deployment_delete.yml b/.github/workflows/helm_pr_deployment_delete.yml
index eda1c6d1f993..c0d98e03cc53 100644
--- a/.github/workflows/helm_pr_deployment_delete.yml
+++ b/.github/workflows/helm_pr_deployment_delete.yml
@@ -11,6 +11,7 @@ on:
 
 jobs:
   destroy:
+    if: ${{ github.event.pull_request.head.repo.full_name == 'ls1intum/Artemis' }}
     runs-on: ubuntu-latest
     environment: k8s
     concurrency: k8s-pr${{ github.event.pull_request.number }}