diff --git a/go.mod b/go.mod
index d21c0f6..6f59465 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.18
 require (
 	github.com/ikawaha/kagome-dict/ipa v1.0.10
 	github.com/ikawaha/kagome/v2 v2.9.5
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.9.0
 	golang.org/x/text v0.14.0
 )
 
diff --git a/go.sum b/go.sum
index bfc4b39..da11a7a 100644
--- a/go.sum
+++ b/go.sum
@@ -8,8 +8,8 @@ github.com/ikawaha/kagome/v2 v2.9.5 h1:uIkf04UWhSrcKa/f6HO0GmXFrBE3kQ1xauyP9EbgB
 github.com/ikawaha/kagome/v2 v2.9.5/go.mod h1:OYzxPG9dQSalvznlcLNR8TEKpPwzKhnZszw9LLbf7e8=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=