diff --git a/go.mod b/go.mod
index 4ed52f2..e34f1d2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,7 +1,6 @@
 module tshaka.dev/x/diff
 
 go 1.22.0
-
 toolchain go1.23.1
 
-require golang.org/x/tools v0.30.0
+require golang.org/x/tools v0.31.0
diff --git a/go.sum b/go.sum
index 1f55c5b..7a9091a 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-golang.org/x/tools v0.30.0 h1:BgcpHewrV5AUp2G9MebG4XPFI1E2W41zU1SaqVA9vJY=
-golang.org/x/tools v0.30.0/go.mod h1:c347cR/OJfw5TI+GfX7RUPNMdDRRbjvYTS0jPyvsVtY=
+golang.org/x/tools v0.31.0 h1:0EedkvKDbh+qistFTd0Bcwe/YLh4vHwWEkiI0toFIBU=
+golang.org/x/tools v0.31.0/go.mod h1:naFTU+Cev749tSJRXJlna0T3WxKvb1kWEx15xA4SdmQ=