diff --git a/go.mod b/go.mod
index 9164da0..659a8cf 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module git.yetaga.in/alazyreader/library
 
 go 1.23.1
 
-toolchain go1.23.2
+toolchain go1.23.4
 
 require (
 	git.yetaga.in/alazyreader/go-openlibrary v0.0.1