diff --git a/Caddy.Dockerfile b/Caddy.Dockerfile
index b7ef9b767..7c73154c9 100644
--- a/Caddy.Dockerfile
+++ b/Caddy.Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.20.3
+FROM alpine:3.21.0
 RUN apk add --no-cache ca-certificates tzdata
 COPY --from=caddy:2.8.4 /usr/bin/caddy /usr/bin/caddy
 COPY Caddyfile /etc/caddy/Caddyfile
diff --git a/Dockerfile b/Dockerfile
index 75e135c31..08839c076 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:labs
-FROM --platform="$BUILDPLATFORM" alpine:3.20.3 AS crowdsec
+FROM --platform="$BUILDPLATFORM" alpine:3.21.0 AS crowdsec
 SHELL ["/bin/ash", "-eo", "pipefail", "-c"]
 ARG CSNB_VER=v1.0.8
 WORKDIR /src