diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 366409b..fb021e9 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -13,11 +13,11 @@ jobs:
       matrix:
         perl-version:
           - '5.16-buster'
-          - '5.18'
-          - '5.20'
-          - '5.22'
-          - '5.30'
-          - '5.32'
+          - '5.18-buster'
+          - '5.20-buster'
+          - '5.22-buster'
+          - '5.30-bullseye'
+          - '5.32-bullseye'
     container:
       image: perl:${{ matrix.perl-version }}
     steps: