diff --git a/go.mod b/go.mod
index c06aa50..52cc4b3 100644
--- a/go.mod
+++ b/go.mod
@@ -3,11 +3,11 @@ module github.com/yyoshiki41/rdeadcode
 go 1.24.1
 
 require (
-	golang.org/x/tools v0.31.0
+	golang.org/x/tools v0.32.0
 	rsc.io/script v0.0.2
 )
 
 require (
 	golang.org/x/mod v0.24.0 // indirect
-	golang.org/x/sync v0.12.0 // indirect
+	golang.org/x/sync v0.13.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 429b01b..308fd3b 100644
--- a/go.sum
+++ b/go.sum
@@ -2,9 +2,9 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 golang.org/x/mod v0.24.0 h1:ZfthKaKaT4NrhGVZHO1/WDTwGES4De8KtWO0SIbNJMU=
 golang.org/x/mod v0.24.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
-golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
-golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
-golang.org/x/tools v0.31.0 h1:0EedkvKDbh+qistFTd0Bcwe/YLh4vHwWEkiI0toFIBU=
-golang.org/x/tools v0.31.0/go.mod h1:naFTU+Cev749tSJRXJlna0T3WxKvb1kWEx15xA4SdmQ=
+golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
+golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/tools v0.32.0 h1:Q7N1vhpkQv7ybVzLFtTjvQya2ewbwNDZzUgfXGqtMWU=
+golang.org/x/tools v0.32.0/go.mod h1:ZxrU41P/wAbZD8EDa6dDCa6XfpkhJ7HFMjHJXfBDu8s=
 rsc.io/script v0.0.2 h1:eYoG7A3GFC3z1pRx3A2+s/vZ9LA8cxojHyCvslnj4RI=
 rsc.io/script v0.0.2/go.mod h1:cKBjCtFBBeZ0cbYFRXkRoxP+xGqhArPa9t3VWhtXfzU=