diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5973c3cd48d..76ccba8991c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -153,6 +153,10 @@ jobs:
           CTEST_OUTPUT_ON_FAILURE=1 make test -C $GITHUB_WORKSPACE/build/
           $GITHUB_WORKSPACE/tools/ci/gha-script.sh
 
+      - name: Setup tmate session
+        if: ${{ failure() }}
+        uses: mxschmitt/action-tmate@v3
+
       - name: after_success
         shell: bash
         run: |