diff --git a/Dockerfile b/Dockerfile
index 6e5f3d8..46c28d7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM crystallang/crystal:0.36.1-alpine AS builder
+FROM crystallang/crystal:1.0.0-alpine AS builder
 
 WORKDIR /Mango