diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7788069..7e31c30 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
-        poetry-version: [1.0, 1.1.15, 1.2.2]
+        poetry-version: ["1.0", "1.1.15", "1.2.2", "1.3.1"]
         os: [ubuntu-18.04, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps: