diff --git a/go.mod b/go.mod
index 2d13bec..ff56175 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/clipperhouse/jargon
 require (
 	github.com/PuerkitoBio/goquery v1.5.1
 	github.com/clipperhouse/flag v0.0.1
-	github.com/clipperhouse/uax29 v0.9.3
+	github.com/clipperhouse/uax29 v0.9.6
 	github.com/kljensen/snowball v0.6.0
 	github.com/spf13/afero v1.2.2
 	golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e
diff --git a/go.sum b/go.sum
index 8499f61..6746988 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ github.com/andybalholm/cascadia v1.1.0 h1:BuuO6sSfQNFRu1LppgbD25Hr2vLYW25JvxHs5z
 github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
 github.com/clipperhouse/flag v0.0.1 h1:EUgginbk0r3635gKAtpvtkUkrVEVDTjF8Dq0ddzsiYc=
 github.com/clipperhouse/flag v0.0.1/go.mod h1:R2oWQkmwllOvef0btjd2tJDA/fLJw5/bO5poK6cTsC8=
-github.com/clipperhouse/uax29 v0.9.3 h1:PFLCjFNOMBARlo7qJdaUF/rYhZAZtuvOSb6DN56l2lA=
-github.com/clipperhouse/uax29 v0.9.3/go.mod h1:w2Tre2RfQVNOaN1WZ6ROMeTmpYjXtn8oFlt8KdkxFeE=
+github.com/clipperhouse/uax29 v0.9.6 h1:BLlLfqVRtbcOvWdfIoakXTNBRYbvya/PRzgHiupO0FE=
+github.com/clipperhouse/uax29 v0.9.6/go.mod h1:w2Tre2RfQVNOaN1WZ6ROMeTmpYjXtn8oFlt8KdkxFeE=
 github.com/kljensen/snowball v0.6.0 h1:6DZLCcZeL0cLfodx+Md4/OLC6b/bfurWUOUGs1ydfOU=
 github.com/kljensen/snowball v0.6.0/go.mod h1:27N7E8fVU5H68RlUmnWwZCfxgt4POBJfENGMvNRhldw=
 github.com/spf13/afero v1.2.2 h1:5jhuqJyZCZf2JRofRvN/nIFgIWNzPa3/Vz8mYylgbWc=
diff --git a/tokenizer_test.go b/tokenizer_test.go
index 5811f2c..70c8d9f 100644
--- a/tokenizer_test.go
+++ b/tokenizer_test.go
@@ -59,10 +59,10 @@ func TestTokenizer(t *testing.T) {
 		{"node", false},
 		{"js", false},
 
-		{"first_last", true},
-		{"first", false},
-		{"_", false},
-		{"last", false},
+		{"first_last", false},
+		{"first", true},
+		{"_", true},
+		{"last", true},
 
 		{"my.name", true},
 		{"my.name@", false},