diff --git a/yarn.lock b/yarn.lock
index ced4fc2..f7b199f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1508,7 +1508,7 @@ bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.11.9:
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
   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.yarnpkg.com/bn.js/-/bn.js-5.2.1.tgz#0bc527a6a0d18d0aa8d5b0538ce4a77dccfa7b70"
   integrity sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ==
@@ -1638,7 +1638,7 @@ 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.yarnpkg.com/browserify-rsa/-/browserify-rsa-4.1.0.tgz#b2fd06b5b75ae297f7ce2dc651f918f5be158c8d"
   integrity sha512-AdEER0Hkspgno2aR97SAf6vi0y0k8NuOpGnVH3O99rcA5Q6sh8QxcngtHuJ6uXwnfAXNM4Gn1Gb7/MV1+Ymbog==
@@ -1647,19 +1647,19 @@ 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.yarnpkg.com/browserify-sign/-/browserify-sign-4.2.1.tgz#eaf4add46dd54be3bb3b36c0cf15abbeba7956c3"
-  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:
   version "0.2.0"
@@ -2716,7 +2716,7 @@ electron-to-chromium@^1.2.7, electron-to-chromium@^1.3.47:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.4.498.tgz#cef35341123f62a35ba7084e439c911d25e0d81b"
   integrity sha512-4LODxAzKGVy7CJyhhN5mebwe7U2L29P+0G+HUriHnabm0d7LSff8Yn7t+Wq+2/9ze2Fu1dhX7mww090xfv7qXQ==
 
-elliptic@^6.5.3:
+elliptic@^6.5.3, elliptic@^6.5.4:
   version "6.5.4"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
   integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
@@ -6436,7 +6436,7 @@ pako@~1.0.5:
   resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.11.tgz#6c9599d340d54dfd3946380252a35705a6b992bf"
   integrity sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==
 
-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.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.6.tgz#385080a3ec13cb62a62d39409cb3e88844cdaed4"
   integrity sha512-RnZRo1EPU6JBnra2vGHj0yhp6ebyjBZpmUCLHWiFhxlzvBCCpAuZ7elsBp1PVAbQN0/04VD/19rfzlBSwLstMw==
@@ -7299,7 +7299,7 @@ readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
-readable-stream@^3.0.6, readable-stream@^3.6.0:
+readable-stream@^3.0.6, readable-stream@^3.6.0, readable-stream@^3.6.2:
   version "3.6.2"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.2.tgz#56a9b36ea965c00c5a93ef31eb111a0f11056967"
   integrity sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==
@@ -7699,7 +7699,7 @@ safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-safe-buffer@5.2.1, 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@5.2.1, 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.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==