diff --git a/go.mod b/go.mod
index 664254b..a547da0 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/crossplane-contrib/function-dummy
 
 go 1.21
 
-toolchain go1.21.3
+toolchain go1.23.4
 
 require (
 	github.com/alecthomas/kong v0.8.1