diff --git a/package.json b/package.json
index 522ba87..4d00eb8 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "dotenv": "^2.0.0",
     "fs": "^0.0.1-security",
     "joi": "^10.1.0",
-    "jsonwebtoken": "^7.1.9",
+    "jsonwebtoken": "^7.4.3",
     "keymirror": "^0.1.1",
     "lodash": "^4.16.4",
     "moment": "^2.18.1",
diff --git a/yarn.lock b/yarn.lock
index fb73870..44103a5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1254,14 +1254,15 @@ jsonpointer@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
 
-jsonwebtoken@^7.1.9:
-  version "7.4.0"
-  resolved "https://registry.yarnpkg.com/jsonwebtoken/-/jsonwebtoken-7.4.0.tgz#515bf2bba070ec615bad97fd2e945027eb476946"
+jsonwebtoken@^7.4.3:
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/jsonwebtoken/-/jsonwebtoken-7.4.3.tgz#77f5021de058b605a1783fa1283e99812e645638"
+  integrity sha512-7WWGEZ+/xedHUHLDvSwvN7LbmLIEgOuBNQOBKvfX5zpLok5q6873aCR2zOuJ/DrORp/DlyYImz06nlNoRCWugw==
   dependencies:
     joi "^6.10.1"
     jws "^3.1.4"
     lodash.once "^4.0.0"
-    ms "^0.7.1"
+    ms "^2.0.0"
     xtend "^4.0.1"
 
 jsprim@^1.2.2:
@@ -1469,10 +1470,15 @@ ms@0.7.2:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.2.tgz#ae25cf2512b3885a1d95d7f037868d8431124765"
 
-ms@0.7.3, ms@^0.7.1:
+ms@0.7.3:
   version "0.7.3"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.3.tgz#708155a5e44e33f5fd0fc53e81d0d40a91be1fff"
 
+ms@^2.0.0:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
+  integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
+
 mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"