diff --git a/.github/workflows/unit-test.yaml b/.github/workflows/unit-test.yaml
index 4f76637..c2690fc 100644
--- a/.github/workflows/unit-test.yaml
+++ b/.github/workflows/unit-test.yaml
@@ -40,9 +40,6 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - name: "Ubuntu 20.04, Py 3.9"
-            ubuntu_version: "20.04"
-            python_version: "3.9"
           - name: "Ubuntu 22.04, Py 3.10"
             ubuntu_version: "22.04"
             python_version: "3.10"