diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c556a44..d5ebf0a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        pg: [16, 15, 14, 13, 12, 11]
+        pg: [14, 13, 12, 11]
         check_code: ["false", "clang"]
 
     name: Test clickhouse_fdw