diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 1180974f..c8bc9558 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       max-parallel: 12
       matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
+        python-version: [2.7, 3.5, 3.6, 3.7]  # TODO: 3.8
         os: [ubuntu-latest, macos-latest] # TODO: windows-latest
 
     steps: