diff --git a/package-lock.json b/package-lock.json
index c495f86..897d257 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -89,9 +89,9 @@
       }
     },
     "@types/cookies": {
-      "version": "0.7.2",
-      "resolved": "https://registry.npmjs.org/@types/cookies/-/cookies-0.7.2.tgz",
-      "integrity": "sha512-jnihWgshWystcJKrz8C9hV+Ot9lqOUyAh2RF+o3BEo6K6AS2l4zYCb9GYaBuZ3C6Il59uIGqpE3HvCun4KKeJA==",
+      "version": "0.7.4",
+      "resolved": "https://registry.npmjs.org/@types/cookies/-/cookies-0.7.4.tgz",
+      "integrity": "sha512-oTGtMzZZAVuEjTwCjIh8T8FrC8n/uwy+PG0yTvQcdZ7etoel7C7/3MSd7qrukENTgQtotG7gvBlBojuVs7X5rw==",
       "dev": true,
       "requires": {
         "@types/connect": "*",
@@ -157,9 +157,9 @@
       }
     },
     "@types/http-assert": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@types/http-assert/-/http-assert-1.5.0.tgz",
-      "integrity": "sha512-8CBLG8RmxSvoY07FE6M/QpvJ7J5KzeKqF8eWN7Dq6Ks+lBTQae8Roc2G81lUu2Kw5Ju1gymOuvgyUsussbjAaA==",
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/@types/http-assert/-/http-assert-1.5.1.tgz",
+      "integrity": "sha512-PGAK759pxyfXE78NbKxyfRcWYA/KwW17X290cNev/qAsn9eQIxkH4shoNBafH37wewhDG/0p1cHPbK6+SzZjWQ==",
       "dev": true
     },
     "@types/keygrip": {
@@ -169,9 +169,9 @@
       "dev": true
     },
     "@types/koa": {
-      "version": "2.0.48",
-      "resolved": "https://registry.npmjs.org/@types/koa/-/koa-2.0.48.tgz",
-      "integrity": "sha512-CiIUYhHlOFJhSCTmsFoFkV2t9ij1JwW26nt0W9XZoWTvmAw6zTE0+k3IAoGICtjzIfhZpZcO323NHmI1LGmdDw==",
+      "version": "2.0.51",
+      "resolved": "https://registry.npmjs.org/@types/koa/-/koa-2.0.51.tgz",
+      "integrity": "sha512-L5e/l6Z+SR9Jk6HM0wNYdkvWhSUBOvi+7Q5Uwn7kE/VmBXX7NIxARMigARWAyXAtXiv5Ry1P2HmebolFdvuIVg==",
       "dev": true,
       "requires": {
         "@types/accepts": "*",
diff --git a/package.json b/package.json
index d41f425..b7a1720 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "@types/chai": "^4.1.7",
     "@types/dotenv": "^4.0.3",
-    "@types/koa": "2.0.48",
+    "@types/koa": "2.0.51",
     "@types/koa-bodyparser": "^4.2.0",
     "@types/koa-helmet": "^3.1.2",
     "@types/koa-router": "^7.0.28",