diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5989022..4f63d6b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Install Poetry
         uses: abatilo/actions-poetry@v2.0.0
         with:
-          poetry-version: 1.7.1
+          poetry-version: 1.6.1
 
       - name: Install Dependencies
         run: poetry install