diff --git a/yarn.lock b/yarn.lock
index 7ab91e6..2b8f90f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -655,11 +655,11 @@ concat-stream@1.6.0:
     typedarray "^0.0.6"
 
 concat-with-sourcemaps@^1.0.0:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/concat-with-sourcemaps/-/concat-with-sourcemaps-1.0.4.tgz#f55b3be2aeb47601b10a2d5259ccfb70fd2f1dd6"
-  integrity sha1-9Vs74q60dgGxCi1SWcz7cP0vHdY=
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/concat-with-sourcemaps/-/concat-with-sourcemaps-1.1.0.tgz#d4ea93f05ae25790951b99e7b3b09e3908a4082e"
+  integrity sha512-4gEjHJFT9e+2W/77h/DS5SGUgwDaOwprX8L/gl5+3ixnzkVJJsZWDSelmN3Oilw3LNDZjZV0yqH1hLG3k6nghg==
   dependencies:
-    source-map "^0.5.1"
+    source-map "^0.6.1"
 
 connect@^3.6.0:
   version "3.6.5"
@@ -4107,6 +4107,11 @@ source-map@^0.5.1, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
 
+source-map@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+  integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
+
 source-map@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.2.0.tgz#dab73fbcfc2ba819b4de03bd6f6eaa48164b3f9d"