diff --git a/yarn.lock b/yarn.lock
index b23f60f..eadec88 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1649,9 +1649,9 @@ bip66@^1.1.5:
     safe-buffer "^5.0.1"
 
 bl@^1.0.0:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
-  integrity sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.3.tgz#1e8dd80142eac80d7158c9dccc047fb620e035e7"
+  integrity sha512-pvcNpa0UU69UT341rO6AYy4FVAIkUHuZXRIWbq+zHnsVcRzDDjIAhGuuYoi0d//cwIwtt4pkpKycWEfjdV+vww==
   dependencies:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
@@ -1876,7 +1876,7 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
-buffer@^5.0.5, buffer@^5.2.1:
+buffer@^5.0.5:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.5.0.tgz#9c3caa3d623c33dd1c7ef584b89b88bf9c9bc1ce"
   integrity sha512-9FTEDjLjwoAkEwyMGDjYJQN2gfRgOKBKRfiglhvibGbpeeU/pQn1bJxQqm32OD/AIeEuHxU9roxXxg34Byp/Ww==
@@ -1884,6 +1884,14 @@ buffer@^5.0.5, buffer@^5.2.1:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
+buffer@^5.2.1:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.6.0.tgz#a31749dc7d81d84db08abf937b6b8c4033f62786"
+  integrity sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
 builtin-modules@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -2267,7 +2275,7 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@2.8.x, commander@~2.8.1:
+commander@2.8.x:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
   integrity sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=
@@ -2692,9 +2700,9 @@ decompress-unzip@^4.0.1:
     yauzl "^2.4.2"
 
 decompress@^4.0.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/decompress/-/decompress-4.2.0.tgz#7aedd85427e5a92dacfe55674a7c505e96d01f9d"
-  integrity sha1-eu3YVCflqS2s/lVnSnxQXpbQH50=
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/decompress/-/decompress-4.2.1.tgz#007f55cc6a62c055afa37c07eb6a4ee1b773f118"
+  integrity sha512-e48kc2IjU+2Zw8cTb6VZcJQ3lgVbS4uuB1TfCHbiZIP/haNXm+SVyhu+87jts5/3ROpd82GSVCoNs/z8l4ZOaQ==
   dependencies:
     decompress-tar "^4.0.0"
     decompress-tarbz2 "^4.0.0"
@@ -4133,9 +4141,9 @@ got@^7.1.0:
     url-to-options "^1.0.1"
 
 graceful-fs@^4.1.10, graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.5, graceful-fs@^4.1.6:
-  version "4.2.3"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
-  integrity sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
+  integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==
 
 "graceful-readlink@>= 1.0.0":
   version "1.0.1"
@@ -7646,11 +7654,16 @@ 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@5.2.0, 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@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.2, safe-buffer@^5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
   integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
 
+safe-buffer@^5.1.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -7708,11 +7721,11 @@ secp256k1@^3.0.1:
     safe-buffer "^5.1.2"
 
 seek-bzip@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.5.tgz#cfe917cb3d274bcffac792758af53173eb1fabdc"
-  integrity sha1-z+kXyz0nS8/6x5J1ivUxc+sfq9w=
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.6.tgz#35c4171f55a680916b52a07859ecf3b5857f21c4"
+  integrity sha512-e1QtP3YL5tWww8uKaOCQ18UxIT2laNBXHjV/S2WYCiK4udiv8lkG89KRIoCjUagnAmCBurjF4zEVX2ByBbnCjQ==
   dependencies:
-    commander "~2.8.1"
+    commander "^2.8.1"
 
 semver-compare@^1.0.0:
   version "1.0.0"
@@ -8637,9 +8650,9 @@ ultron@~1.1.0:
   integrity sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og==
 
 unbzip2-stream@^1.0.9:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/unbzip2-stream/-/unbzip2-stream-1.3.3.tgz#d156d205e670d8d8c393e1c02ebd506422873f6a"
-  integrity sha512-fUlAF7U9Ah1Q6EieQ4x4zLNejrRvDWUYmxXUpN3uziFYCHapjWFaCAnreY9bGgxzaMCFAPPpYNng57CypwJVhg==
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/unbzip2-stream/-/unbzip2-stream-1.4.3.tgz#b0da04c4371311df771cdc215e87f2130991ace7"
+  integrity sha512-mlExGW4w71ebDJviH16lQLtZS32VKqsSfk80GCfUlwT/4/hNRFsoscrF/c++9xinkMzECL1uL9DDwXqFWkruPg==
   dependencies:
     buffer "^5.2.1"
     through "^2.3.8"