diff --git a/go.mod b/go.mod
index 0eea501..e99e120 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/openconfig/entity-naming
 
 go 1.24.0
 
-toolchain go1.25.5
+toolchain go1.26.3
 
 require (
 	github.com/openconfig/goyang v1.6.3