diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index be0ed4d..c64e0e1 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -66,7 +66,7 @@ jobs:
     strategy:
       matrix:
         python-version: [ 3.7, 3.8, 3.9 ]
-        os: [ macos-latest, windows-latest, ubuntu-latest ]
+        os: [ macos-latest, windows-latest ]
 
     steps:
       - uses: actions/checkout@v2