diff --git a/Dockerfile b/Dockerfile
index fea9f73..1de7b7b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.5-alpine3.18 as builder
+FROM golang:1.22.2-alpine3.18 as builder
 WORKDIR /md2htmlapi
 RUN apk update && apk upgrade --available && sync && apk add --no-cache --virtual .build-deps
 COPY . .