diff --git a/server/yarn.lock b/server/yarn.lock
index 2cbbc87..9719996 100644
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -2542,7 +2542,7 @@ debug@3.1.0:
   dependencies:
     ms "2.0.0"
 
-debug@^3.1.0, debug@^3.2.6:
+debug@^3.1.0:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
@@ -3474,11 +3474,9 @@ flush-write-stream@^1.0.0:
     readable-stream "^2.3.6"
 
 follow-redirects@^1.3.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.7.0.tgz#489ebc198dc0e7f64167bd23b03c4c19b5784c76"
-  integrity sha512-m/pZQy4Gj287eNy94nivy5wchN3Kp+Q5WgUPNy5lJSZ3sgkVKSYV/ZChMAQVIgx1SqfZ2zBZtPA2YlXIWxxJOQ==
-  dependencies:
-    debug "^3.2.6"
+  version "1.14.8"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.8.tgz#016996fb9a11a100566398b1c6839337d7bfa8fc"
+  integrity sha512-1x0S9UVJHsQprFcEC/qnNzBLcIxsjAV905f/UkQxbclCsoTWlacCNOpQa/anodLl2uaEKFhfWOvM2Qg77+15zA==
 
 for-each@^0.3.3:
   version "0.3.3"
@@ -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==