diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 21287b2..ca241a9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install pipenv==2018.11.26
+          pip install 'pipenv==2021.5.29'
           pipenv sync --dev --system
       - name: Linting
         run: make check