diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 06a40e6..6f2e63f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -14,10 +14,7 @@ jobs:
       matrix:
         version:
           - '1.6'
-          - '1.7'
-          - '1.8'
-          - '1.9'
-          - '1.10.0-beta3'
+          - '1'
           - 'nightly'
         os:
           - ubuntu-latest