diff --git a/.github/matrix-commitly.yml b/.github/matrix-commitly.yml
index 7685340597c3..5e52cbc80f73 100644
--- a/.github/matrix-commitly.yml
+++ b/.github/matrix-commitly.yml
@@ -1,7 +1,7 @@
 # please see matrix-full.yml for meaning of each field
 build-packages:
 - label: ubuntu-22.04
-  os: ubuntu-22.04
+  image: ubuntu:22.04
   package: deb
   check-manifest-suite: ubuntu-22.04-amd64
 
diff --git a/.github/matrix-full.yml b/.github/matrix-full.yml
index b011607f4c89..376fcac72ef7 100644
--- a/.github/matrix-full.yml
+++ b/.github/matrix-full.yml
@@ -12,9 +12,11 @@ build-packages:
   package: deb
   check-manifest-suite: ubuntu-20.04-amd64
 - label: ubuntu-22.04
+  image: ubuntu:22.04
   package: deb
   check-manifest-suite: ubuntu-22.04-amd64
 - label: ubuntu-22.04-arm64
+  image: ubuntu:22.04
   package: deb
   bazel-args: --platforms=//:generic-crossbuild-aarch64
   check-manifest-suite: ubuntu-22.04-arm64