diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b06e97650..574a64b8e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -70,6 +70,9 @@ jobs:
         fi
     - name: test
       run: sh ci/run.sh
+    - name: Setup tmate session
+      uses: mxschmitt/action-tmate@v3
+      if: ${{ failure() }}
   test_bench:
     name: Benchmarks using x86_64-unknown-linux-gnu (nightly)
     runs-on: ubuntu-latest