diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 20daa0f2..e05bcfeb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        scala: [2.12.13, 2.13.8]
+        scala: [2.13.8]
         java: [temurin@11]
         clickhouse: [21.3, 21.8.14, 22.3]
     runs-on: ${{ matrix.os }}