diff --git a/server/yarn.lock b/server/yarn.lock
index 2cbbc87..7eb6f10 100644
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -5846,9 +5846,9 @@ posix-character-classes@^0.1.0:
   integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
 
 postcss@^7.0.5:
-  version "7.0.14"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.14.tgz#4527ed6b1ca0d82c53ce5ec1a2041c2346bbd6e5"
-  integrity sha512-NsbD6XUUMZvBxtQAJuWDJeeC4QFsmWsfozWxCJPWf3M55K9iu2iMDaKqyoOdTJ1R4usBXuxlVFAIo8rZPQD4Bg==
+  version "7.0.36"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.36.tgz#056f8cffa939662a8f5905950c07d5285644dfcb"
+  integrity sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==
   dependencies:
     chalk "^2.4.2"
     source-map "^0.6.1"
@@ -7659,7 +7659,7 @@ 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 +7810,7 @@ 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==