diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 5a9ba8a..979b868 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -29,7 +29,7 @@ jobs:
 
     - uses: Gr1N/setup-poetry@v8
       with:
-        poetry-version: 1.1.7
+        poetry-version: 1.4.1
 
     - name: install tox
       run: |