diff --git a/.github/workflows/ci-backend.yml b/.github/workflows/ci-backend.yml
index 03eecc5087520..3cb0a41c3aa78 100644
--- a/.github/workflows/ci-backend.yml
+++ b/.github/workflows/ci-backend.yml
@@ -235,7 +235,7 @@ jobs:
             matrix:
                 python-version: ['3.11.9']
                 clickhouse-server-image:
-                    ['clickhouse/clickhouse-server:23.12.6.19', 'clickhouse/clickhouse-server:24.8.5.115']
+                    ['clickhouse/clickhouse-server:24.8.5.115']
                 segment: ['Core']
                 person-on-events: [false, true]
                 # :NOTE: Keep concurrency and groups in sync
@@ -328,7 +328,7 @@ jobs:
             fail-fast: false
             matrix:
                 clickhouse-server-image:
-                    ['clickhouse/clickhouse-server:23.12.6.19', 'clickhouse/clickhouse-server:24.8.5.115']
+                    ['clickhouse/clickhouse-server:24.8.5.115']
         if: needs.changes.outputs.backend == 'true'
         runs-on: ubuntu-latest
         steps: