diff --git a/docker/Dockerfile.non_root b/docker/Dockerfile.non_root
index 2729babb6d6..ed84e573de4 100644
--- a/docker/Dockerfile.non_root
+++ b/docker/Dockerfile.non_root
@@ -55,12 +55,18 @@ COPY . .
 # Set non-root flag for build time consistency
 ENV LITELLM_NON_ROOT=true
 
-# Stage the pre-built Admin UI from the checked-in Next.js static export.
-# _experimental/out/ is regenerated as part of the release runbook.
-# Restructure extensionless routes (foo.html -> foo/index.html) to match the layout
-# proxy_server.py expects, and drop a readiness marker.
+# Build the Next.js Admin UI from source.
+# nodejs + npm are already installed in this stage (see apk add above).
+RUN --mount=type=cache,target=/root/.npm,id=litellm-npm-cache \
+    cd /app/ui/litellm-dashboard && \
+    NEXT_TELEMETRY_DISABLED=1 npm_config_fund=false npm_config_audit=false \
+        npm ci --prefer-offline && \
+    NEXT_TELEMETRY_DISABLED=1 npm run build
+
+# Stage the built UI and restructure extensionless routes
+# (foo.html -> foo/index.html) to match the layout proxy_server.py expects.
 RUN mkdir -p /var/lib/litellm/ui /var/lib/litellm/assets && \
-    cp -r /app/litellm/proxy/_experimental/out/. /var/lib/litellm/ui/ && \
+    cp -r /app/ui/litellm-dashboard/out/. /var/lib/litellm/ui/ && \
     cp /app/litellm/proxy/logo.jpg /var/lib/litellm/assets/logo.jpg && \
     ( cd /var/lib/litellm/ui && \
       for html_file in *.html; do \