diff --git a/Dockerfile b/Dockerfile
index 191d684..4547157 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20 as builder
+FROM golang:1.21 as builder
 
 ENV CGO_ENABLED=0
 
diff --git a/go.mod b/go.mod
index d7a0f89..cc2a781 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/wolviecb/short
 
-go 1.19
+go 1.21
 
 require (
 	github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2