diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 0dd6066..c93642e 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -26,9 +26,9 @@ jobs:
           # - '5.14'
           # - '5.16'
           # - '5.18'
-          - '5.20'
-          - '5.22'
-          - '5.24'
+          # - '5.20'    # Earlier perls fail with GLIBC errors on this set up
+          # - '5.22'
+          # - '5.24'
           - '5.26'
           - '5.28'
           - '5.30'