diff --git a/.github/workflows/theHarvester.yml b/.github/workflows/theHarvester.yml
index 691e7f2a..fa49bfed 100644
--- a/.github/workflows/theHarvester.yml
+++ b/.github/workflows/theHarvester.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.7, 3.8]
+        python-version: [3.7, 3.8, 3.9-dev]
 
     steps:
     - uses: actions/checkout@v2