diff --git a/go.mod b/go.mod
index 70647e4..2e4451f 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/strehle/cmdline-openid-client
 
-go 1.19
+go 1.21
 
 require (
 	github.com/akshaybabloo/pkce v1.0.2