diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8cf54da8..ad141169 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,15 +9,16 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.6", "3.7", "3.8"]
-        os: [ubuntu-18.04, ubuntu-16.04, macos-latest]
+        os: [ubuntu-20.04, ubuntu-18.04, ubuntu-16.04, macos-latest]
         include:
           # Include new variables for Codecov
+          - { codecov-flag: GHA_Ubuntu2004, os: ubuntu-20.04 }
           - { codecov-flag: GHA_Ubuntu1804, os: ubuntu-18.04 }
           - { codecov-flag: GHA_Ubuntu1604, os: ubuntu-16.04 }
           - { codecov-flag: GHA_macOS, os: macos-latest }
           # Dev versions
-          - { python-version: 3.9-dev, os: ubuntu-18.04 }
-          - { python-version: 3.10-dev, os: ubuntu-18.04 }
+          - { python-version: 3.9-dev, os: ubuntu-20.04 }
+          - { python-version: 3.10-dev, os: ubuntu-20.04 }
 
     steps:
       - uses: actions/checkout@v2