diff --git a/yarn.lock b/yarn.lock
index d85989b..7648203 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1010,8 +1010,9 @@ browserslist@^4.0.0, browserslist@^4.6.3:
     node-releases "^1.1.25"
 
 buffer-from@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.0.0.tgz#4cb8832d23612589b0406e9e2956c17f06fdf531"
+  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-xor@^1.0.3:
   version "1.0.3"
@@ -1324,14 +1325,10 @@ commander@2.6.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.6.0.tgz#9df7e52fb2a0cb0fb89058ee80c3104225f37e1d"
 
-commander@^2.20.0:
-  version "2.20.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
-  integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
-
-commander@^2.9.0:
-  version "2.15.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
+commander@^2.20.0, commander@^2.9.0:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
 
 commander@~2.13.0:
   version "2.13.0"
@@ -4940,9 +4937,9 @@ source-map-support@^0.4.15:
     source-map "^0.5.6"
 
 source-map-support@~0.5.12:
-  version "0.5.12"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.12.tgz#b4f3b10d51857a5af0138d3ce8003b201613d599"
-  integrity sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==
+  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"
@@ -5254,9 +5251,9 @@ terser-webpack-plugin@^1.1.0, terser-webpack-plugin@^1.3.0:
     worker-farm "^1.7.0"
 
 terser@^4.0.0:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.1.2.tgz#b2656c8a506f7ce805a3f300a2ff48db022fa391"
-  integrity sha512-jvNoEQSPXJdssFwqPSgWjsOrb+ELoE+ILpHPKXC83tIxOlh2U75F1KuB2luLD/3a6/7K3Vw5pDn+hvu0C4AzSw==
+  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"