diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a8411200..c3b6eee0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
         numpy_ver: [latest]
         include:
            - python-version: "3.8"
-             numpy_ver: "1.20"
+             numpy_ver: "1.21"
              os: "ubuntu-latest"
 
     name: Python ${{ matrix.python-version }} on ${{ matrix.os }}