diff --git a/Dockerfile b/Dockerfile
index 2bc130f..2972bb9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19 as build
+FROM golang:1.21 as build
 WORKDIR /opt/src
 COPY . .
 RUN groupadd -g 1000 appuser &&\