diff --git a/docker/Dockerfile b/docker/Dockerfile
index 08feb554..21d4269c 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM crystallang/crystal:1.1.1-alpine AS builder
+FROM crystallang/crystal:1.2.1-alpine AS builder
 RUN apk add --no-cache sqlite-static yaml-static
 
 ARG release