diff --git a/ui/Dockerfile b/ui/Dockerfile
index 80d77046..e0a9826a 100644
--- a/ui/Dockerfile
+++ b/ui/Dockerfile
@@ -4,12 +4,15 @@ WORKDIR /app
 ARG REGISTRY_TOKEN
 COPY package.json package-lock.json .npmrc ./
 RUN echo "//gitea.siegeln.net/api/packages/cameleer/npm/:_authToken=${REGISTRY_TOKEN}" >> .npmrc && \
-    npm ci && \
-    npm install @cameleer/design-system@dev && \
-    rm -f .npmrc
+    npm ci
 
 COPY . .
 
+# Upgrade design system to latest dev snapshot (after COPY to bust Docker cache)
+RUN echo "//gitea.siegeln.net/api/packages/cameleer/npm/:_authToken=${REGISTRY_TOKEN}" >> .npmrc && \
+    npm install @cameleer/design-system@dev && \
+    rm -f .npmrc
+
 ARG VITE_ENV_NAME=PRODUCTION
 ENV VITE_ENV_NAME=$VITE_ENV_NAME
 RUN npm run build