diff --git a/.github/workflows/lint-and-unit-tests.yml b/.github/workflows/lint-and-unit-tests.yml
index 3274b12..fe3d3e4 100644
--- a/.github/workflows/lint-and-unit-tests.yml
+++ b/.github/workflows/lint-and-unit-tests.yml
@@ -19,6 +19,7 @@ jobs:
         version:
           - "3.6"
           - "3.8"
+          - "3.9"
     steps:
       - uses: actions/checkout@v3
 
@@ -41,3 +42,4 @@ jobs:
         run: |
           make .lint
           make .unit-tests
+