diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0aff07b..c5e1843 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,6 +18,8 @@ jobs:
 
       - name: Install Poetry
         uses: abatilo/actions-poetry@v2
+        with:
+          poetry-version: '1.5.1'
 
       - name: Build
         run: poetry run mkdocs build