diff --git a/package.json b/package.json
index 704b094..03be6e1 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "@types/express": "4.11.1",
     "@types/fs-extra": "5.0.1",
     "@types/graphql": "0.12.3",
-    "@types/helmet": "0.0.37",
+    "@types/helmet": "0.0.48",
     "@types/jest": "22.2.0",
     "@types/lru-cache": "4.1.0",
     "@types/morgan": "1.7.35",
diff --git a/yarn.lock b/yarn.lock
index d4f9450..2e58910 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -125,9 +125,10 @@
   version "0.12.3"
   resolved "https://registry.yarnpkg.com/@types/graphql/-/graphql-0.12.3.tgz#c429585aaa4523135e0ab4e12dec72d2d913946f"
 
-"@types/helmet@0.0.37":
-  version "0.0.37"
-  resolved "https://registry.yarnpkg.com/@types/helmet/-/helmet-0.0.37.tgz#6b150f30219c0d6563e8e0a3fbcad8dd90fa4f68"
+"@types/helmet@0.0.48":
+  version "0.0.48"
+  resolved "https://registry.yarnpkg.com/@types/helmet/-/helmet-0.0.48.tgz#e754399d2f4672ba63962e8490efd3edd31d9799"
+  integrity sha512-C7MpnvSDrunS1q2Oy1VWCY7CDWHozqSnM8P4tFeRTuzwqni+PYOjEredwcqWG+kLpYcgLsgcY3orHB54gbx2Jw==
   dependencies:
     "@types/express" "*"
 
@@ -4432,16 +4433,7 @@ pg-pool@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-2.0.3.tgz#c022032c8949f312a4f91fb6409ce04076be3257"
 
-pg-promise@8.2.1:
-  version "8.2.1"
-  resolved "https://registry.yarnpkg.com/pg-promise/-/pg-promise-8.2.1.tgz#af11f4009a8d9d0e0d37d2915a5e7e0f66865838"
-  dependencies:
-    manakin "0.5.1"
-    pg "7.4.1"
-    pg-minify "0.5.4"
-    spex "2.0.2"
-
-pg-promise@^8.2.1:
+pg-promise@8.2.2, pg-promise@^8.2.1:
   version "8.2.2"
   resolved "https://registry.yarnpkg.com/pg-promise/-/pg-promise-8.2.2.tgz#079a71eb358ef7f27f78f4bc3653a1f4bb9266e6"
   dependencies: