diff --git a/yarn.lock b/yarn.lock
index 086bec4..755f792 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1254,8 +1254,8 @@ bindings@^1.5.0:
     file-uri-to-path "1.0.0"
 
 bl@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-2.2.0.tgz#e1a574cdf528e4053019bb800b041c0ac88da493"
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-2.2.1.tgz#8c11a7b730655c5d56898cdc871224f40fd901d5"
   dependencies:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
@@ -2651,10 +2651,14 @@ rimraf@^3.0.2:
   dependencies:
     glob "^7.1.3"
 
-safe-buffer@5.1.2, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
 
+safe-buffer@^5.1.1, safe-buffer@^5.1.2:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"