diff --git a/package.json b/package.json
index b94eb9cb..3d6ed1b3 100644
--- a/package.json
+++ b/package.json
@@ -131,6 +131,6 @@
     "textlint-rule-prh": "5.2.0",
     "unified": "7.0.0",
     "uuid": "3.3.2",
-    "v8n": "1.2.2"
+    "v8n": "1.5.1"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 824ce263..6705d7d1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12920,9 +12920,10 @@ v8-compile-cache@^2.0.0, v8-compile-cache@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.0.2.tgz#a428b28bb26790734c4fc8bc9fa106fccebf6a6c"
 
-v8n@1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/v8n/-/v8n-1.2.2.tgz#9fe01e972c810bc4577a262b6465f4c4e61b2852"
+v8n@1.5.1:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/v8n/-/v8n-1.5.1.tgz#aecfeb9d298a8ce8be443cd7ad0d46e30203165a"
+  integrity sha512-LdabyT4OffkyXFCe9UT+uMkxNBs5rcTVuZClvxQr08D5TUgo1OFKkoT65qYRCsiKBl/usHjpXvP4hHMzzDRj3A==
 
 validate-npm-package-license@^3.0.1:
   version "3.0.4"