diff --git a/bots/rss/go.mod b/bots/rss/go.mod
index 1193a35..db57131 100644
--- a/bots/rss/go.mod
+++ b/bots/rss/go.mod
@@ -1,6 +1,6 @@
 module github.com/kurosame/bots-go/bots/rss
 
-go 1.21
+go 1.25.5
 
 require (
 	cloud.google.com/go/datastore v1.15.0