diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0ec2cd8e6c02..b6d45f0c507f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -529,6 +529,7 @@ jobs:
           # as the former one no longer works:
           # https://github.com/containerd/containerd/pull/10297
           - almalinux/8
+          - almalinux/9
     env:
       GOTEST: gotestsum --
       BOX: ${{ matrix.box }}