diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index f91f884..746177e 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -22,7 +22,7 @@ jobs:
             latest: "true"
           - postgres_version: "15"
             # renovate datasource=docker depName=ghcr.io/cloudnative-pg/postgresql
-            cnpg_version: 15.8-6
+            cnpg_version: 15.8-40
           - postgres_version: "14"
             # renovate datasource=docker depName=ghcr.io/cloudnative-pg/postgresql
             cnpg_version: 14.13-6