diff --git a/Dockerfile b/Dockerfile
index 4ef8bc0..068a7a2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/cirruslabs/flutter:latest AS frontend_builder
+FROM ghcr.io/cirruslabs/flutter:3.16.9 AS frontend_builder
 WORKDIR /app
 
 COPY frontend /app