diff --git a/package-lock.json b/package-lock.json
index d956cbf..4d077ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -113,9 +113,9 @@
       "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.2.tgz",
+      "integrity": "sha512-rIqbOrKb8GJmx/5bc2M0QchhUouMXSpd1RTclXsB41JdL+VtnojfaJR+h7F9k18/4kHUsBFgk80Uk+q569vjPA=="
     },
     "msgpack-lite": {
       "version": "0.1.26",
diff --git a/package.json b/package.json
index 1c17d61..b01c2b2 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "bluebird": "^3.5.1",
     "jubatus": "^0.9.9",
     "lodash": "^4.17.11",
-    "minimist": "^1.2.0"
+    "minimist": "^1.2.2"
   },
   "repository": {
     "type": "git",