diff --git a/Earthfile b/Earthfile
index 766eac1..15a4840 100644
--- a/Earthfile
+++ b/Earthfile
@@ -13,7 +13,7 @@ COPY_METADATA:
 
 
 alpine-base:
-    FROM alpine:3.20.3@sha256:1e42bbe2508154c9126d48c2b8a75420c3544343bf86fd041fb7527e017a4b4a
+    FROM alpine:3.21.0@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
     # renovate: datasource=repology depName=alpine_3_20/bash versioning=loose
     ENV BASH_VERSION="5.2.26-r0"
     RUN apk add --no-cache bash=$BASH_VERSION