diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index a20d1a9..3b3ec6f 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -128,9 +128,17 @@ jobs:
       env:
         RELEASE: unstable
 
+    - name: Setup tmate session
+      if: ${{ failure() }}
+      uses: mxschmitt/action-tmate@v3
+      timeout-minutes: 45
+      with:
+        limit-access-to-actor: true
+
     - name: Archive VM test results
       uses: actions/upload-artifact@v3
       with:
         name: b2b-diff
         if-no-files-found: error
         path: diff.txt
+