diff --git a/Dockerfile.windows b/Dockerfile.windows
index 1625a2415f..52f19449be 100644
--- a/Dockerfile.windows
+++ b/Dockerfile.windows
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM alpine:3.20 AS build
+FROM --platform=$BUILDPLATFORM alpine:3.21 AS build
 
 RUN apk --no-cache add \
     curl \