diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 59ec2c8..4391e50 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -5,3 +5,12 @@ on:
     types: [opened]
 permissions:
   pull-requests: write
+jobs:
+  build:
+    name: Post welcome comment
+    runs-on: ubuntu-latest
+    steps:
+      - run: gh pr comment $PR_URL --body "Welcome to the repository!"
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        PR_URL: ${{ github.event.pull_request.html_url }}