diff --git a/go.mod b/go.mod
index 2f31cd4..eba637a 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module go.expect.digital/intl
 
 go 1.23.0
 
-toolchain go1.25.5
+toolchain go1.26.0
 
 require (
 	github.com/yaa110/go-persian-calendar v1.3.0