diff --git a/yarn.lock b/yarn.lock
index db7cb5f..ae3f4e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2507,7 +2507,7 @@ buffer-fill@^1.0.0:
 
 buffer-from@^1.0.0:
   version "1.1.2"
-  resolved "https://registry.npmmirror.com/buffer-from/-/buffer-from-1.1.2.tgz"
+  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:
@@ -3118,7 +3118,7 @@ commander@2.9.0:
 
 commander@^2.12.1, commander@^2.18.0, commander@^2.20.0:
   version "2.20.3"
-  resolved "https://registry.npmmirror.com/commander/-/commander-2.20.3.tgz"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
 
 commander@^5.0.0:
@@ -8763,7 +8763,7 @@ source-map-resolve@^0.5.0:
 
 source-map-support@^0.5.19, source-map-support@~0.5.12:
   version "0.5.21"
-  resolved "https://registry.npmmirror.com/source-map-support/-/source-map-support-0.5.21.tgz"
+  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"
@@ -9210,9 +9210,9 @@ terser-webpack-plugin@^3.0.3:
     webpack-sources "^1.4.3"
 
 terser@^4.1.2, terser@^4.6.12, terser@^4.8.0:
-  version "4.8.0"
-  resolved "https://registry.npmmirror.com/terser/-/terser-4.8.0.tgz"
-  integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
+  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"