diff --git a/package.json b/package.json
index 7334fa52..0cd3143d 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "koa-mount": "4.0.0",
     "koa-router": "7.4.0",
     "koa-static": "5.0.0",
-    "sequelize": "4.41.2",
+    "sequelize": "4.42.0",
     "sqlite3": "4.0.4"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 5426408d..066514f9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7624,10 +7624,10 @@ send@0.16.2:
     range-parser "~1.2.0"
     statuses "~1.4.0"
 
-sequelize@4.41.2:
-  version "4.41.2"
-  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-4.41.2.tgz#bb9ba30d72e9eeb883c9861cd0e2cac672010883"
-  integrity sha512-8vPf2R0o9iEmtzkqNzwFdblO+0Mu+RNxOdLeYGGqWGlp3cushLpQucAeSGPQgf2hQVZP5yOCM1ouZKTQ5FTlvA==
+sequelize@4.42.0:
+  version "4.42.0"
+  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-4.42.0.tgz#439467ba7bfe7d5afcc56d62b3e091860fbf18f3"
+  integrity sha512-qxAYnX4rcv7PbNtEidb56REpxNJCdbN0qyk1jb3+e6sE7OrmS0nYMU+MFVbNTJtZfSpOEEL1TX0TkMw+wzZBxg==
   dependencies:
     bluebird "^3.5.0"
     cls-bluebird "^2.1.0"