diff --git a/package.json b/package.json
index 359cc84..ea531d1 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,8 @@
   "keywords": [
     "dictionary",
     "sudachi",
-    "synonyms"
+    "synonyms",
+    "japanese"
   ],
   "homepage": "https://github.com/azu/sudachi-synonyms-dictionary",
   "bugs": {
diff --git a/yarn.lock b/yarn.lock
index 0309794..df47766 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7,20 +7,29 @@ csv.js@^1.0.7:
   resolved "https://registry.yarnpkg.com/csv.js/-/csv.js-1.0.7.tgz#aca4de02bb2239e733f1173a8333ef845668212c"
   integrity sha512-Soyak0jeZSNTeaOMkRotL7o4bk5IeOUzPim4GSy1UyfB2PS2g1MKyeDFEuffe90TbZ6d0vZ0f34wOfrS+sd4VQ==
 
+lru-cache@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-6.0.0.tgz#6d6fe6570ebd96aaf90fcad1dafa3b2566db3a94"
+  integrity sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==
+  dependencies:
+    yallist "^4.0.0"
+
 node-fetch@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
   integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
 
 papaparse@^5.1.0:
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/papaparse/-/papaparse-5.3.0.tgz#ab1702feb96e79ab4309652f36db9536563ad05a"
-  integrity sha512-Lb7jN/4bTpiuGPrYy4tkKoUS8sTki8zacB5ke1p5zolhcSE4TlWgrlsxjrDTbG/dFVh07ck7X36hUf/b5V68pg==
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/papaparse/-/papaparse-5.3.1.tgz#770b7a9124d821d4b2132132b7bd7dce7194b5b1"
+  integrity sha512-Dbt2yjLJrCwH2sRqKFFJaN5XgIASO9YOFeFP8rIBRG2Ain8mqk5r1M6DkfvqEVozVcz3r3HaUGw253hA1nLIcA==
 
 semver@^7.3.2:
-  version "7.3.2"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.2.tgz#604962b052b81ed0786aae84389ffba70ffd3938"
-  integrity sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==
+  version "7.3.5"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.5.tgz#0b621c879348d8998e4b0e4be94b3f12e6018ef7"
+  integrity sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==
+  dependencies:
+    lru-cache "^6.0.0"
 
 sudachi-synonyms-parser@^1.0.3:
   version "1.0.3"
@@ -29,3 +38,8 @@ sudachi-synonyms-parser@^1.0.3:
   dependencies:
     csv.js "^1.0.7"
     papaparse "^5.1.0"
+
+yallist@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
+  integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==