diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index d1f3458d1..794935d72 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -20,9 +20,6 @@ jobs:
           - Core
         version:
           - '1'
-          - '1.6'
-          - '1.7'
-          - '1.8'
         include:
           - version: '1'
             group: 'LinearSolveHYPRE'