diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 085b32c..fef9e0e 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -28,7 +28,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['2.7', '3.5', '3.6', '3.7', '3.8', '3.9']
+        python-version: ['3.6', '3.7', '3.8', '3.9']
 
     name: Build with Python ${{ matrix.python-version }}
     steps: