diff --git a/yarn.lock b/yarn.lock
index 9dd5a38..095f62d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1454,8 +1454,8 @@ browserslist@^4.0.0, browserslist@^4.3.4, browserslist@^4.7.3:
     node-releases "^1.1.40"
 
 buffer-from@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.2.tgz#2b146a6fd72e80b4f55d255f35ed59a3a9a41bd5"
 
 buffer-indexof@^1.0.0:
   version "1.1.1"
@@ -1759,7 +1759,7 @@ commander@2.17.x:
 
 commander@^2.20.0:
   version "2.20.3"
-  resolved "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
 
 commander@~2.19.0:
   version "2.19.0"
@@ -5851,8 +5851,8 @@ source-map-resolve@^0.5.0, source-map-resolve@^0.5.2:
     urix "^0.1.0"
 
 source-map-support@~0.5.12:
-  version "0.5.16"
-  resolved "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.16.tgz#0ae069e7fe3ba7538c64c98515e35339eac5a042"
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
@@ -6192,8 +6192,8 @@ terser-webpack-plugin@^1.4.1:
     worker-farm "^1.7.0"
 
 terser@^4.1.2:
-  version "4.4.0"
-  resolved "https://registry.npmjs.org/terser/-/terser-4.4.0.tgz#22c46b4817cf4c9565434bfe6ad47336af259ac3"
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.1.tgz#a00e5634562de2239fd404c649051bf6fc21144f"
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"