diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 064d862..cb7249c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
-      max-parallel: 4
       matrix:
         python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
         os: [ubuntu-latest, macOS-latest, windows-latest]