diff --git a/yarn.lock b/yarn.lock
index 676259d..3989e75 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -430,10 +430,10 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
 concat-with-sourcemaps@*, 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"
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/concat-with-sourcemaps/-/concat-with-sourcemaps-1.1.0.tgz#d4ea93f05ae25790951b99e7b3b09e3908a4082e"
   dependencies:
-    source-map "^0.5.1"
+    source-map "^0.6.1"
 
 connect-livereload@~0.3.2:
   version "0.3.2"
@@ -2897,9 +2897,9 @@ source-map@0.4.x:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@0.X, source-map@^0.5.1, source-map@^0.5.3, source-map@~0.5.1:
-  version "0.5.6"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
+source-map@0.X, source-map@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
 source-map@^0.1.38, source-map@^0.1.39, source-map@~0.1.43:
   version "0.1.43"
@@ -2907,6 +2907,10 @@ source-map@^0.1.38, source-map@^0.1.39, source-map@~0.1.43:
   dependencies:
     amdefine ">=0.0.4"
 
+source-map@^0.5.1, source-map@^0.5.3, source-map@~0.5.1:
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
+
 sparkles@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/sparkles/-/sparkles-1.0.0.tgz#1acbbfb592436d10bbe8f785b7cc6f82815012c3"