diff --git a/package-lock.json b/package-lock.json
index 14aaa8f..db160f6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -212,7 +212,7 @@
       "integrity": "sha1-oz4N+dzptCTRyY/E/evYV43O7H4=",
       "dev": true,
       "requires": {
-        "@types/node": "8.0.51"
+        "@types/node": "*"
       }
     },
     "@types/debug": {
@@ -256,9 +256,9 @@
       "integrity": "sha512-Xqg/lIZMrUd0VRmSRbCAewtwGZiAk3mEUDvV4op1tGl+LvyPcb/MIOSxTl9z+9+J+R4/vpjiCAT4xeKzH9ji1w=="
     },
     "@types/lodash": {
-      "version": "4.14.85",
-      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.85.tgz",
-      "integrity": "sha512-HrZiwDl62if0z31+rB99CLlg7WzS7b+KmyW75XAHEl/ZG0De2ACo6skZ89Zh3jOWkjKObN0Apq3MUezg7u9NKQ==",
+      "version": "4.14.118",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.118.tgz",
+      "integrity": "sha512-iiJbKLZbhSa6FYRip/9ZDX6HXhayXLDGY2Fqws9cOkEQ6XeKfaxB0sC541mowZJueYyMnVUmmG+al5/4fCDrgw==",
       "dev": true
     },
     "@types/mime": {
@@ -289,15 +289,15 @@
       }
     },
     "@types/sequelize": {
-      "version": "4.0.79",
-      "resolved": "https://registry.npmjs.org/@types/sequelize/-/sequelize-4.0.79.tgz",
-      "integrity": "sha512-rtBBoxXNrSyEaBJm1duQy8C6AeZ4EoSI2MzI/twAVZShKa9y4tAhMiFWwACkrp1VInbJ1aSB+IaCtL+B9btpNA==",
+      "version": "4.27.31",
+      "resolved": "https://registry.npmjs.org/@types/sequelize/-/sequelize-4.27.31.tgz",
+      "integrity": "sha512-Toqr7ETevM3uewzG3ALHcnFuKOlj1xSsAebQpBDwIdysGSqc5rRPM3EhKVfUc8/aMWTsHnFySGZ7r3JugLDkMg==",
       "dev": true,
       "requires": {
-        "@types/bluebird": "3.5.18",
-        "@types/continuation-local-storage": "3.2.1",
-        "@types/lodash": "4.14.85",
-        "@types/validator": "6.3.0"
+        "@types/bluebird": "*",
+        "@types/continuation-local-storage": "*",
+        "@types/lodash": "*",
+        "@types/validator": "*"
       }
     },
     "@types/serve-static": {
@@ -311,9 +311,9 @@
       }
     },
     "@types/validator": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/@types/validator/-/validator-6.3.0.tgz",
-      "integrity": "sha512-fUc+9BEr1WWW8wVRl5I/pyRDGZNe9nH06kOzlGH3eN7N8VVPW/zSrE0Vdca6G2sRCVmIN/XuOenbmldAAyTYaw==",
+      "version": "9.4.3",
+      "resolved": "https://registry.npmjs.org/@types/validator/-/validator-9.4.3.tgz",
+      "integrity": "sha512-D4zRrAs2pTg5cva6+hJ6GrQlb/UX5NxNtk/da3Gw27enoLvbRMTTloZ1w6CCqc+kHyZvT3DsyWQZ8baTGgSg0g==",
       "dev": true
     },
     "accepts": {
@@ -1420,6 +1420,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -2362,7 +2363,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
diff --git a/package.json b/package.json
index 7da3e7d..69d7e1b 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@types/express": "^4.0.39",
     "@types/mocha": "^5.0.0",
     "@types/request": "^2.0.8",
-    "@types/sequelize": "^4.0.79",
+    "@types/sequelize": "^4.27.31",
     "chai": "^4.1.2",
     "mkdirp": "^0.5.1",
     "mocha": "^5.0.0",