diff --git a/deploy/github/log/leaf_validator/Dockerfile b/deploy/github/log/leaf_validator/Dockerfile
index 08c1134..6334b95 100644
--- a/deploy/github/log/leaf_validator/Dockerfile
+++ b/deploy/github/log/leaf_validator/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
+FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 
 RUN apk add --no-cache bash curl git jq