diff --git a/hash/Dockerfile b/hash/Dockerfile
index 2c57df2..96ca6e6 100644
--- a/hash/Dockerfile
+++ b/hash/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
+FROM alpine:3.21.1@sha256:b97e2a89d0b9e4011bb88c02ddf01c544b8c781acf1f4d559e7c8f12f1047ac3
 
 HEALTHCHECK NONE