diff --git a/go/go.mod b/go/go.mod
index 655fd44..9354568 100644
--- a/go/go.mod
+++ b/go/go.mod
@@ -2,7 +2,7 @@ module github.com/k0swe/adif-json-protobuf/go
 
 go 1.21
 
-toolchain go1.23.2
+toolchain go1.23.3
 
 require (
 	github.com/golang/protobuf v1.5.4