diff --git a/yarn.lock b/yarn.lock
index c89519e..ded91a6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2685,7 +2685,7 @@ bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.11.9:
   resolved "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz"
   integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
 
-bn.js@^5.0.0, bn.js@^5.1.1:
+bn.js@^5.0.0, bn.js@^5.2.1:
   version "5.2.1"
   resolved "https://registry.npmjs.org/bn.js/-/bn.js-5.2.1.tgz"
   integrity sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ==
@@ -2753,7 +2753,7 @@ browserify-des@^1.0.0:
     inherits "^2.0.1"
     safe-buffer "^5.1.2"
 
-browserify-rsa@^4.0.0, browserify-rsa@^4.0.1:
+browserify-rsa@^4.0.0, browserify-rsa@^4.1.0:
   version "4.1.0"
   resolved "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.1.0.tgz"
   integrity sha512-AdEER0Hkspgno2aR97SAf6vi0y0k8NuOpGnVH3O99rcA5Q6sh8QxcngtHuJ6uXwnfAXNM4Gn1Gb7/MV1+Ymbog==
@@ -2762,19 +2762,19 @@ browserify-rsa@^4.0.0, browserify-rsa@^4.0.1:
     randombytes "^2.0.1"
 
 browserify-sign@^4.0.0:
-  version "4.2.1"
-  resolved "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.2.1.tgz"
-  integrity sha512-/vrA5fguVAKKAVTNJjgSm1tRQDHUU6DbwO9IROu/0WAzC8PKhucDSh18J0RMvVeHAn5puMd+QHC2erPRNf8lmg==
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/browserify-sign/-/browserify-sign-4.2.2.tgz#e78d4b69816d6e3dd1c747e64e9947f9ad79bc7e"
+  integrity sha512-1rudGyeYY42Dk6texmv7c4VcQ0EsvVbLwZkA+AQB7SxvXxmcD93jcHie8bzecJ+ChDlmAm2Qyu0+Ccg5uhZXCg==
   dependencies:
-    bn.js "^5.1.1"
-    browserify-rsa "^4.0.1"
+    bn.js "^5.2.1"
+    browserify-rsa "^4.1.0"
     create-hash "^1.2.0"
     create-hmac "^1.1.7"
-    elliptic "^6.5.3"
+    elliptic "^6.5.4"
     inherits "^2.0.4"
-    parse-asn1 "^5.1.5"
-    readable-stream "^3.6.0"
-    safe-buffer "^5.2.0"
+    parse-asn1 "^5.1.6"
+    readable-stream "^3.6.2"
+    safe-buffer "^5.2.1"
 
 browserify-zlib@0.2.0, browserify-zlib@^0.2.0:
   version "0.2.0"
@@ -3606,7 +3606,7 @@ electron-to-chromium@^1.3.723, electron-to-chromium@^1.4.535:
   resolved "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.556.tgz"
   integrity sha512-6RPN0hHfzDU8D56E72YkDvnLw5Cj2NMXZGg3UkgyoHxjVhG99KZpsKgBWMmTy0Ei89xwan+rbRsVB9yzATmYzQ==
 
-elliptic@^6.5.3:
+elliptic@^6.5.3, elliptic@^6.5.4:
   version "6.5.4"
   resolved "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz"
   integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
@@ -6288,7 +6288,7 @@ parent-module@^1.0.0:
   dependencies:
     callsites "^3.0.0"
 
-parse-asn1@^5.0.0, parse-asn1@^5.1.5:
+parse-asn1@^5.0.0, parse-asn1@^5.1.6:
   version "5.1.6"
   resolved "https://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.6.tgz"
   integrity sha512-RnZRo1EPU6JBnra2vGHj0yhp6ebyjBZpmUCLHWiFhxlzvBCCpAuZ7elsBp1PVAbQN0/04VD/19rfzlBSwLstMw==
@@ -6783,7 +6783,7 @@ readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.3.3, readable
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
-readable-stream@^3.1.1, readable-stream@^3.5.0, readable-stream@^3.6.0:
+readable-stream@^3.1.1, readable-stream@^3.5.0, readable-stream@^3.6.0, readable-stream@^3.6.2:
   version "3.6.2"
   resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz"
   integrity sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==
@@ -7010,7 +7010,7 @@ safe-array-concat@^1.0.0, safe-array-concat@^1.0.1:
     has-symbols "^1.0.3"
     isarray "^2.0.5"
 
-safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.0, safe-buffer@~5.2.0:
+safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.0, safe-buffer@^5.2.1, safe-buffer@~5.2.0:
   version "5.2.1"
   resolved "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==