diff --git a/yarn.lock b/yarn.lock
index e50a9af..3461821 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -196,10 +196,10 @@ body-parser@^1.15.2:
     type-is "~1.6.18"
     unpipe "1.0.0"
 
-buffer-equal-constant-time@1.0.1:
+buffer-equal-constant-time@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz#f8e71132f7ffe6e01a5c9697a4c6f3e48d5cc819"
-  integrity sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk=
+  integrity sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==
 
 buffer-writer@2.0.0:
   version "2.0.0"
@@ -520,21 +520,21 @@ jsonwebtoken@^8.0.0, jsonwebtoken@^8.5.1:
     ms "^2.1.1"
     semver "^5.6.0"
 
-jwa@^1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/jwa/-/jwa-1.4.1.tgz#743c32985cb9e98655530d53641b66c8645b039a"
-  integrity sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==
+jwa@^1.4.2:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/jwa/-/jwa-1.4.2.tgz#16011ac6db48de7b102777e57897901520eec7b9"
+  integrity sha512-eeH5JO+21J78qMvTIDdBXidBd6nG2kZjg5Ohz/1fpa28Z4CcsWUzJ1ZZyFq/3z3N17aZy+ZuBoHljASbL1WfOw==
   dependencies:
-    buffer-equal-constant-time "1.0.1"
+    buffer-equal-constant-time "^1.0.1"
     ecdsa-sig-formatter "1.0.11"
     safe-buffer "^5.0.1"
 
 jws@^3.2.2:
-  version "3.2.2"
-  resolved "https://registry.yarnpkg.com/jws/-/jws-3.2.2.tgz#001099f3639468c9414000e99995fa52fb478304"
-  integrity sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/jws/-/jws-3.2.3.tgz#5ac0690b460900a27265de24520526853c0b8ca1"
+  integrity sha512-byiJ0FLRdLdSVSReO/U4E7RoEyOCKnEnEPMjq3HxWtvzLsV08/i5RQKsFVNkCldrCaPr2vDNAOMsfs8T/Hze7g==
   dependencies:
-    jwa "^1.4.1"
+    jwa "^1.4.2"
     safe-buffer "^5.0.1"
 
 lodash.includes@^4.3.0: