diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 29f7198..759d922 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -77,7 +77,7 @@ jobs:
           pip install --user --upgrade pip
           pip install --user pipx
           pipx ensurepath
-          pipx install poetry
+          pipx install poetry==2.2.1
           poetry config virtualenvs.in-project true
           poetry install --with dev
           poetry self add "poetry-dynamic-versioning[plugin]"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d6e025f..9c87ea2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -36,7 +36,7 @@ jobs:
     - name: Install Poetry
       uses: snok/install-poetry@v1
       with:
-        version: latest
+        version: 2.2.1
         virtualenvs-create: true
         virtualenvs-in-project: true
         installer-parallel: true