diff --git a/Dockerfile b/Dockerfile
index 36f3a0b..c7f4d2b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.17-alpine as builder
+FROM golang:1.21-alpine as builder
 
 # Install dependencies for copy
 RUN apk add -U --no-cache ca-certificates tzdata git
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 9e44350..408150f 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -1,4 +1,4 @@
-FROM golang:1.17-alpine as builder
+FROM golang:1.21-alpine as builder
 
 # Install dependencies for copy
 RUN apk add -U --no-cache ca-certificates tzdata git