diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3d890cec..d4070fcb 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -40,7 +40,7 @@ jobs:
       - name: Install and configure Poetry
         uses: snok/install-poetry@v1
         with:
-          version: 1.1.8
+          version: 1.1.11
           virtualenvs-create: true
           virtualenvs-in-project: true
           installer-parallel: true