diff --git a/demo/emoji_hunt/server/yarn.lock b/demo/emoji_hunt/server/yarn.lock
index 5bddcf9..4f84121 100644
--- a/demo/emoji_hunt/server/yarn.lock
+++ b/demo/emoji_hunt/server/yarn.lock
@@ -310,10 +310,10 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
-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-from@^1.0.0, buffer-from@^1.1.0:
   version "1.1.1"
@@ -976,21 +976,21 @@ jsonfile@^4.0.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
-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@^3.1.5:
-  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"
 
 lcid@^1.0.0: