diff --git a/k8s/infra/postgres.yaml b/k8s/infra/postgres.yaml
index 2d362cf..e7400c9 100644
--- a/k8s/infra/postgres.yaml
+++ b/k8s/infra/postgres.yaml
@@ -52,7 +52,7 @@ spec:
     spec:
       containers:
       - name: postgres
-        image: postgres:18.1-alpine@sha256:bff147924b5492716cb1439f1949e7c8f42ccdd628af4f66415e31212ebdc462
+        image: postgres:18.1-alpine@sha256:30f2a9b6f470bece98c10f98952e720c881dc3ef987cf06b5ed4b698a350c1bb
         args:
         - -c
         - shared_buffers=384MB