diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0c3643b..91e45f8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [3.6, 3.7, 3.8, 3.9, pypy3]
+        python-version: [3.7, 3.8, 3.9]
     steps:
       - uses: actions/checkout@v2