diff --git a/.github/workflows/build_and_test.yaml b/.github/workflows/build_and_test.yaml
index 5cddbf8..4dabade 100644
--- a/.github/workflows/build_and_test.yaml
+++ b/.github/workflows/build_and_test.yaml
@@ -15,4 +15,4 @@ jobs:
       enable-common-libs: true
       #apt-cache-version: v0
       #py-cache-version: v0
-      python-version: "3.8"
+      python-version: '["3.8","3.9"]'