diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5eccc26..a7a9d62 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-latest', 'windows-latest']
-        python-version: [ '3.6', '3.7', '3.8', 'pypy3' ]
+        python-version: [ '3.7', '3.8' ]
         
     runs-on: ${{ matrix.os }}
     name: OS ${{ matrix.os }}, Python ${{ matrix.python-version }}