diff --git a/Dockerfile b/Dockerfile
index 884d5b0..7d0877b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,6 +29,9 @@ WORKDIR /app
 
 ENV NODE_ENV=production
 
+# GDAL/ogr2ogr for real GeoPackage export (parcel-sync module)
+RUN apk add --no-cache gdal gdal-tools
+
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs