diff --git a/go.mod b/go.mod
index 7796541..7345497 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/daixiang0/gci
 
-go 1.17
+go 1.18
 
 require (
 	github.com/hexops/gotextdiff v1.0.3