diff --git a/yarn.lock b/yarn.lock
index 44cbe930..93cac491 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1514,9 +1514,9 @@ browserslist@^4.0.0, browserslist@^4.11.1, browserslist@^4.6.4, 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"
-  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.2.tgz#2b146a6fd72e80b4f55d255f35ed59a3a9a41bd5"
+  integrity sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==
 
 buffer-indexof@^1.0.0:
   version "1.1.1"
@@ -6522,9 +6522,9 @@ source-map-resolve@^0.5.0:
     urix "^0.1.0"
 
 source-map-support@~0.5.12:
-  version "0.5.16"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.16.tgz#0ae069e7fe3ba7538c64c98515e35339eac5a042"
-  integrity sha512-efyLRJDr68D9hBBNIPWFjhpFzURh+KJykQwvMyW5UiZzYwoF6l4YMMDIJJEyFWxWCqfyxLzz6tSfUFR+kXXsVQ==
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
+  integrity sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
@@ -6930,9 +6930,9 @@ terser-webpack-plugin@^2.2.1:
     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"
-  integrity sha512-76Ynm7OXUG5xhOpblhytE7X58oeNSmC8xnNhjWVo8CksHit0U0kO4hfNbPrrYwowLWFgM2n9L176VNx2QaHmtA==
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.1.tgz#a00e5634562de2239fd404c649051bf6fc21144f"
+  integrity sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"