diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3d54b501..34e17023 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -68,6 +68,8 @@ jobs:
             .github/build/linux/madx.sh src/MAD-X
         shell: bash
 
+      - uses: mxschmitt/action-tmate@v3
+
       - name: Build cpymad wheels
         run: |
           docker run --rm --init \
@@ -118,6 +120,8 @@ jobs:
           src/MAD-X -b $MADX_VERSION --depth 1
         if: steps.madx-build-cache.outputs.cache-hit != 'true'
 
+      - uses: mxschmitt/action-tmate@v3
+
       - name: Build MAD-X
         if: steps.madx-build-cache.outputs.cache-hit != 'true'
         run: .github/build/windows/madx.sh src/MAD-X