diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 804214cef..50c701151 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-18.04, ubuntu-20.04, ubuntu-latest]
+        os: [ubuntu-20.04, ubuntu-latest]
     steps:
       - uses: styfle/cancel-workflow-action@0.11.0
         with: