diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index ce9e3bb..58095e3 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -12,7 +12,7 @@ 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 }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bf68747..c7e6d92 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,7 +9,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         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 }}