diff --git a/k8s/infra/postgres.yaml b/k8s/infra/postgres.yaml
index fddd79e..6734055 100644
--- a/k8s/infra/postgres.yaml
+++ b/k8s/infra/postgres.yaml
@@ -52,7 +52,7 @@ spec:
     spec:
       containers:
       - name: postgres
-        image: postgres:18.2-alpine@sha256:eb37f58646a901dc7727cf448cae36daaefaba79de33b5058dab79aa4c04aefb
+        image: postgres:18.2-alpine@sha256:88f300be8635fe8a9ed4c18a68ba497fb6df1215fd2b074895afd027bd3e1006
         args:
         - -c
         - shared_buffers=384MB