diff --git a/json/Dockerfile b/json/Dockerfile
index e825d1e..77e98d0 100644
--- a/json/Dockerfile
+++ b/json/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.21.2@sha256:56fa17d2a7e7f168a043a2712e63aed1f8543aeafdcee47c58dcffe38ed51099
+FROM alpine:3.21.3@sha256:a8560b36e8b8210634f77d9f7f9efd7ffa463e380b75e2e74aff4511df3ef88c
 
 HEALTHCHECK NONE