diff --git a/api/package.json b/api/package.json
index d810e8e..d06216f 100644
--- a/api/package.json
+++ b/api/package.json
@@ -15,7 +15,7 @@
     "@types/body-parser": "^1.19.0",
     "@types/express": "^4.17.9",
     "@types/express-validator": "^3.0.0",
-    "@types/helmet": "^0.0.47",
+    "@types/helmet": "^4.0.0",
     "@types/node": "^14.14.14",
     "nodemon": "^2.0.2"
   },
diff --git a/api/yarn.lock b/api/yarn.lock
index c4d361c..24d2abb 100644
--- a/api/yarn.lock
+++ b/api/yarn.lock
@@ -55,7 +55,7 @@
   dependencies:
     express-validator "*"
 
-"@types/express@*", "@types/express@^4.17.9":
+"@types/express@^4.17.9":
   version "4.17.9"
   resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.9.tgz#f5f2df6add703ff28428add52bdec8a1091b0a78"
   integrity sha512-SDzEIZInC4sivGIFY4Sz1GG6J9UObPwCInYJjko2jzOf/Imx/dlpume6Xxwj1ORL82tBbmN4cPDIDkLbWHk9hw==
@@ -65,12 +65,12 @@
     "@types/qs" "*"
     "@types/serve-static" "*"
 
-"@types/helmet@^0.0.47":
-  version "0.0.47"
-  resolved "https://registry.yarnpkg.com/@types/helmet/-/helmet-0.0.47.tgz#ec5161541b649142205b7c558bca14801c5ce129"
-  integrity sha512-TcHA/djjdUtrMtq/QAayVLrsgjNNZ1Uhtz0KhfH01mrmjH44E54DA1A0HNbwW0H/NBFqV+tGMo85ACuEhMXcdg==
+"@types/helmet@^4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/@types/helmet/-/helmet-4.0.0.tgz#af7af46de26abe368b85360769ae9938bfb2318a"
+  integrity sha512-ONIn/nSNQA57yRge3oaMQESef/6QhoeX7llWeDli0UZIfz8TQMkfNPTXA8VnnyeA1WUjG2pGqdjEIueYonMdfQ==
   dependencies:
-    "@types/express" "*"
+    helmet "*"
 
 "@types/json5@^0.0.29":
   version "0.0.29"
@@ -822,6 +822,11 @@ helmet-csp@2.10.0:
     content-security-policy-builder "2.1.0"
     dasherize "2.0.0"
 
+helmet@*:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/helmet/-/helmet-4.2.0.tgz#e81f5613cc1c90402af581794dc9878ad078b237"
+  integrity sha512-aoiSxXMd0ks1ojYpSCFoCRzgv4rY/uB9jKStaw8PkXwsdLYa/Gq+Nc5l0soH0cwBIsLAlujPnx4HLQs+LaXCrQ==
+
 helmet@^3.23.3:
   version "3.23.3"
   resolved "https://registry.yarnpkg.com/helmet/-/helmet-3.23.3.tgz#5ba30209c5f73ded4ab65746a3a11bedd4579ab7"