diff --git a/apps/collaboration/Dockerfile b/apps/collaboration/Dockerfile
index bb993b30..f6e6e64c 100644
--- a/apps/collaboration/Dockerfile
+++ b/apps/collaboration/Dockerfile
@@ -30,5 +30,5 @@ COPY --from=prerelease /usr/src/app/package.json .
 
 # run the app
 USER bun
-EXPOSE 3000/tcp
+EXPOSE 1998/tcp
 ENTRYPOINT [ "bun", "run", "app.ts" ]
\ No newline at end of file