diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f515dd1..f426c82 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -81,6 +81,7 @@ jobs:
     strategy:
       matrix:
         python-version: [
+          3.5,
           3.6,
           3.7,
           3.8,