diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ccef024..49e7aef 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -149,7 +149,7 @@ jobs:
 
       - name: Install Build Dependencies (other Python versions)
         if: >
-          startsWith(matrix.python-version, 'pypy-2.7')
+          !startsWith(matrix.python-version, 'pypy-2.7')
         run: |
           pip install -U pip
           pip install -U setuptools wheel twine cffi