diff --git a/yarn.lock b/yarn.lock
index e80ea79..b9d27d0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1590,8 +1590,8 @@ browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.8.5, browserslist@^4.
     pkg-up "^2.0.0"
 
 buffer-from@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/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"
@@ -6081,8 +6081,8 @@ source-map-resolve@^0.5.0:
     urix "^0.1.0"
 
 source-map-support@~0.5.12:
-  version "0.5.17"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.17.tgz#29fe1b3c98b9dbd5064ada89052ee8ff070cb46c"
+  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"
@@ -6441,8 +6441,8 @@ terser-webpack-plugin@^2.3.5:
     webpack-sources "^1.4.3"
 
 terser@^4.1.2, terser@^4.4.3:
-  version "4.6.11"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.11.tgz#12ff99fdd62a26de2a82f508515407eb6ccd8a9f"
+  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"