diff --git a/Dockerfile b/Dockerfile
index a87d31e..5b70fd9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM dart:2.18 as build
+FROM dart:2.19.6 as build
 WORKDIR /build/
 ADD pubspec.yaml /build/
 RUN dart pub get