diff --git a/admin-core/Dockerfile b/admin-core/Dockerfile
index 08ee6c8..66ac6c4 100644
--- a/admin-core/Dockerfile
+++ b/admin-core/Dockerfile
@@ -30,8 +30,8 @@ WORKDIR /app
 ENV NODE_ENV=production
 
 # Create non-root user
-RUN addgroup --system --gid 1001 nodejs
-RUN adduser --system --uid 1001 nextjs
+RUN addgroup -S -g 1001 nodejs
+RUN adduser -S -u 1001 -G nodejs nextjs
 
 # Copy built assets
 COPY --from=builder /app/public ./public