diff --git a/yarn.lock b/yarn.lock
index 0b53ff4..8297668 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -934,6 +934,11 @@ assert@^1.1.1:
     object-assign "^4.1.1"
     util "0.10.3"
 
+assertion-error@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.1.0.tgz#e60b6b0e8f301bd97e5375215bda406c85118c0b"
+  integrity sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==
+
 assign-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
@@ -2639,7 +2644,7 @@ debug@3.1.0:
   dependencies:
     ms "2.0.0"
 
-debug@3.2.6, debug@^3.0.0, 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==
@@ -4092,11 +4097,9 @@ flush-write-stream@^1.0.0, flush-write-stream@^1.0.2:
     readable-stream "^2.3.6"
 
 follow-redirects@^1.2.5:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.10.0.tgz#01f5263aee921c6a54fb91667f08f4155ce169eb"
-  integrity sha512-4eyLK6s6lH32nOvLLwlIOnr9zrL8Sm+OvW4pVTJNoXeGzYIkHVf+pADQi+OJ0E67hiuSLezPVPyBcIZO50TmmQ==
-  dependencies:
-    debug "^3.0.0"
+  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"
@@ -5831,6 +5834,11 @@ lodash.assign@^4.0.3, lodash.assign@^4.0.6:
   resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
   integrity sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=
 
+lodash.isequal@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.isequal/-/lodash.isequal-4.5.0.tgz#415c4478f2bcc30120c22ce10ed3226f7d3e18e0"
+  integrity sha1-QVxEePK8wwEgwizhDtMib30+GOA=
+
 lodash.unescape@4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/lodash.unescape/-/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
@@ -8959,6 +8967,14 @@ trim-right@^1.0.1:
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
   integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
 
+truffle-assertions@^0.9.2:
+  version "0.9.2"
+  resolved "https://registry.yarnpkg.com/truffle-assertions/-/truffle-assertions-0.9.2.tgz#0f8360f53ad92b6d8fdb8ceb5dce54c1fc392e23"
+  integrity sha512-9g2RhaxU2F8DeWhqoGQvL/bV8QVoSnQ6PY+ZPvYRP5eF7+/8LExb4mjLx/FeliLTjc3Tv1SABG05Gu5qQ/ErmA==
+  dependencies:
+    assertion-error "^1.1.0"
+    lodash.isequal "^4.5.0"
+
 truffle-flattener@1.4.2:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/truffle-flattener/-/truffle-flattener-1.4.2.tgz#7460d0eec88ac67b150e8de3476f55d4420a4ba0"