diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 58095e3..7ab47b5 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -34,7 +34,7 @@ jobs:
     strategy:
       matrix:
         python-version: ["3.9"]
-        poetry-version: ["1.2.1"]
+        poetry-version: ["1.3.1"]
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}