diff --git a/go.mod b/go.mod
index 0787785..3e4653f 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/upbound/function-approve
 
 go 1.24.0
 
-toolchain go1.24.5
+toolchain go1.25.5
 
 require (
 	github.com/alecthomas/kong v1.13.0