diff --git a/go.mod b/go.mod
index cce35d1..0f6e412 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/openconfig/entity-naming
 
 go 1.25.0
 
-toolchain go1.26.7
+toolchain go1.27.1
 
 require (
 	github.com/openconfig/goyang v1.6.3