diff --git a/Dockerfile b/Dockerfile
index 5ca6bf4..2477446 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN go mod download
 COPY . .
 RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/any2utf8 .
 
-FROM alpine:3.21
+FROM alpine:3.24
 RUN apk add --no-cache ca-certificates && adduser -D -H -u 1000 app
 WORKDIR /work
 COPY --from=build /out/any2utf8 /usr/local/bin/any2utf8