diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8721a976..28c681a2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
     - run: pip install wheel
-    - run: pip install pipenv
+    - run: pip install pipenv==2018.11.26
     - run: pipenv install --dev
     - run: python setup.py install
 #    - run: pytest