diff --git a/Dockerfile b/Dockerfile
index 7edf931..56be9da 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,10 +15,10 @@ WORKDIR /build
 COPY .mvn/ .mvn/
 COPY mvnw pom.xml ./
 # Cache deps — BuildKit cache mount persists across --no-cache builds
-RUN --mount=type=cache,target=/root/.m2/repository ./mvnw dependency:go-offline -B || true
+RUN --mount=type=cache,target=/root/.m2/repository ./mvnw dependency:go-offline -U -B || true
 COPY src/ src/
 COPY --from=frontend /ui/dist/ src/main/resources/static/
-RUN --mount=type=cache,target=/root/.m2/repository ./mvnw package -DskipTests -B
+RUN --mount=type=cache,target=/root/.m2/repository ./mvnw package -DskipTests -U -B
 
 # Runtime: target platform (amd64)
 FROM eclipse-temurin:21-jre-alpine