diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5a7fad1..f8145cb 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -37,7 +37,7 @@ jobs:
         run: echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")
 
       - name: 🏗 Install poetry
-        uses: abatilo/actions-poetry@v2
+        uses: abatilo/actions-poetry@v2.1.2
         with:
           poetry-version: 1.1.8