diff --git a/Dockerfile.buf b/Dockerfile.buf
index f9c89999c8..2508e01436 100644
--- a/Dockerfile.buf
+++ b/Dockerfile.buf
@@ -13,7 +13,7 @@ ARG TARGETARCH
 RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
   go build -ldflags "-s -w" -trimpath -buildvcs=false -o /go/bin/buf ./cmd/buf
 
-FROM alpine:3.24.2
+FROM alpine:3.24.3
 
 RUN apk upgrade --no-cache && \
   apk add --no-cache \