diff --git a/server/yarn.lock b/server/yarn.lock
index 2cbbc87..30ebedd 100644
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -7376,11 +7376,9 @@ typedarray@^0.0.6:
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
 undefsafe@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/undefsafe/-/undefsafe-2.0.2.tgz#225f6b9e0337663e0d8e7cfd686fc2836ccace76"
-  integrity sha1-Il9rngM3Zj4Njnz9aG/Cg2zKznY=
-  dependencies:
-    debug "^2.2.0"
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/undefsafe/-/undefsafe-2.0.5.tgz#38733b9327bdcd226db889fb723a6efd162e6e2c"
+  integrity sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==
 
 underscore-contrib@~0.3.0:
   version "0.3.0"
@@ -7659,7 +7657,7 @@ web3-core-method@1.0.0-beta.51:
     eventemitter3 "3.1.0"
     lodash "^4.17.11"
 
-web3-core-subscriptions@1.0.0-beta.51, web3-core-subscriptions@^1.0.0-beta.51:
+web3-core-subscriptions@1.0.0-beta.51:
   version "1.0.0-beta.51"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.51.tgz#64e150d1699543e4ab7bad7a9ce2bb5715a5b2d8"
   integrity sha512-bM4KlA37Or/XfrZKLtXlvUSISKWUkXOH/32s0DBnxRkKuey8QKK460H5KF9/HS8LfY7cO11NAepnFe4Tk1rSaQ==
@@ -7810,7 +7808,7 @@ web3-providers@1.0.0-beta.51:
     websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
     xhr2-cookies "1.1.0"
 
-web3-utils@1.0.0-beta.51, web3-utils@^1.0.0-beta.51:
+web3-utils@1.0.0-beta.51:
   version "1.0.0-beta.51"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.51.tgz#6b0767289be4f27b14895b011bcb5fa6c707fca5"
   integrity sha512-c9sRSscu0NIjD96X4ToDOgTxGyJevppuB+uHOgWkziaLGqlw/Li1l24nGkvr0Zqpt9SufvfPcWf8EEC92pnwKg==