diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 588949f..69ace09 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,7 +27,6 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: true
           cache-dependency-path: ./pyproject.toml
-          version: "2.20.0"
 
       - name: Install dependencies
         run: pdm install