diff --git a/build/Dockerfile b/build/Dockerfile
index b044d1257..9b2d7facd 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -2,7 +2,7 @@
 
 ARG BINARY=flipt
 
-FROM alpine:3.21.2
+FROM alpine:3.21.3
 
 LABEL maintainer="dev@flipt.io"
 LABEL org.opencontainers.image.name="flipt"