diff --git a/yarn.lock b/yarn.lock
index 4516293..43f77c3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -684,9 +684,9 @@ base@^0.11.1:
     mixin-deep "^1.2.0"
     pascalcase "^0.1.1"
 
-bignumber.js@7.2.1:
-  version "7.2.1"
-  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
+bignumber.js@9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.0.tgz#805880f84a329b5eac6e7cb6f8274b6d82bdf075"
 
 binary-extensions@^1.0.0:
   version "1.13.1"
@@ -2740,11 +2740,11 @@ mute-stream@0.0.7:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
 mysql@*:
-  version "2.17.1"
-  resolved "https://registry.yarnpkg.com/mysql/-/mysql-2.17.1.tgz#62bba4a039a9b2f73638cd1652ce50fc6f682899"
+  version "2.18.0"
+  resolved "https://registry.yarnpkg.com/mysql/-/mysql-2.18.0.tgz#32b8163d92422c3345f62d5fa696172187975b17"
   dependencies:
-    bignumber.js "7.2.1"
-    readable-stream "2.3.6"
+    bignumber.js "9.0.0"
+    readable-stream "2.3.7"
     safe-buffer "5.1.2"
     sqlstring "2.3.1"
 
@@ -3285,9 +3285,9 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
-readable-stream@2.3.6, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.2.2, readable-stream@~2.3.6:
-  version "2.3.6"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+readable-stream@2.3.7, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.2.2, readable-stream@~2.3.6:
+  version "2.3.7"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"