diff --git a/package.json b/package.json
index 893bc57..bf982d8 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@types/node": "^11.10.5",
     "@types/node-fetch": "^2.5.4",
     "cbor": "^5.0.1",
-    "debug": "^4.1.1",
+    "debug": "^4.3.1",
     "elliptic": "^6.5.2",
     "eosjs": "^21.0.1-rc2",
     "express": "^4.17.1",
diff --git a/yarn.lock b/yarn.lock
index 9465ee0..1a3d559 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -429,12 +429,12 @@ debug@2.6.9:
   dependencies:
     ms "2.0.0"
 
-debug@^4.0.1, debug@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
-  integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
+debug@^4.0.1, debug@^4.3.1:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.1.tgz#f0d229c505e0c6d8c49ac553d1b13dc183f6b2ee"
+  integrity sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==
   dependencies:
-    ms "^2.1.1"
+    ms "2.1.2"
 
 decamelize@^1.2.0:
   version "1.2.0"
@@ -1077,7 +1077,7 @@ ms@2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
   integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
 
-ms@^2.1.1:
+ms@2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==