diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 527e21f3..8be7ae67 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -10,7 +10,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        python: ["3.5", "3.6", "3.8"]
+        python: ["3.6"]
     runs-on: ubuntu-20.04
     container: "python:${{matrix.python}}-slim-buster"
     steps: