diff --git a/docker/Dockerfile.arm64 b/docker/Dockerfile.arm64
index 695e13643..71f9ba79f 100644
--- a/docker/Dockerfile.arm64
+++ b/docker/Dockerfile.arm64
@@ -1,5 +1,5 @@
 FROM alpine:3.22 AS builder
-RUN apk add --no-cache 'crystal=1.14.0-r0' shards sqlite-static yaml-static yaml-dev libxml2-static \
+RUN apk add --no-cache 'crystal=1.16.3-r0' shards sqlite-static yaml-static yaml-dev libxml2-static \
        zlib-static openssl-libs-static openssl-dev musl-dev xz-static
 
 ARG release