diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fa9abf90..918c457e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -25,6 +25,7 @@ jobs:
           - '1.4'
           - '1.7'
           - '1.8'
+          - '1.9'
         exclude:
           - os: ubuntu-latest
             architecture: x86