diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5f78a55..02d7727 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -65,12 +65,6 @@ jobs:
         php-version:
           - "8.1"
         clickhouse-version:
-          - "21.7"
-          - "21.8"
-          - "21.9"
-          - "21.10"
-          - "21.11"
-          - "21.12"
           - "22.1"
           - "22.2"
           - "22.3"