diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index ed2c9bf..1458b14 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -5165,12 +5165,8 @@ sort-keys@^1.0.0:
     is-plain-obj "^1.0.0"
 
 source-list-map@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.0.tgz#aaa47403f7b245a92fbc97ea08f250d6087ed085"
-
-source-list-map@~0.1.7:
-  version "0.1.8"
-  resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-0.1.8.tgz#c550b2ab5427f6b3f21f5afead88c4f5587b2106"
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.1.tgz#3993bd873bfc48479cca9ea3a547835c7c154b34"
 
 source-map-loader@^0.2.0:
   version "0.2.3"
@@ -5196,7 +5192,7 @@ source-map@0.5.x, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
-source-map@^0.4.2, source-map@~0.4.1:
+source-map@^0.4.2:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
   dependencies:
@@ -5897,13 +5893,6 @@ webpack-concat-plugin@1.4.0:
     md5 "^2.2.1"
     uglify-js "^2.8.29"
 
-webpack-core@^0.6.8:
-  version "0.6.9"
-  resolved "https://registry.yarnpkg.com/webpack-core/-/webpack-core-0.6.9.tgz#fc571588c8558da77be9efb6debdc5a3b172bdc2"
-  dependencies:
-    source-list-map "~0.1.7"
-    source-map "~0.4.1"
-
 webpack-dev-middleware@^1.11.0, webpack-dev-middleware@~1.12.0:
   version "1.12.2"
   resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-1.12.2.tgz#f8fc1120ce3b4fc5680ceecb43d777966b21105e"
@@ -5952,18 +5941,18 @@ webpack-merge@^4.1.0:
   dependencies:
     lodash "^4.17.4"
 
-webpack-sources@^1.0.0, webpack-sources@^1.0.1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"
+webpack-sources@^1.0.0, webpack-sources@^1.0.1, webpack-sources@^1.3.0:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"
   dependencies:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
 webpack-subresource-integrity@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/webpack-subresource-integrity/-/webpack-subresource-integrity-1.0.1.tgz#1fc09d46497da66e46743a2a51d2cc385b9cb0ed"
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/webpack-subresource-integrity/-/webpack-subresource-integrity-1.5.1.tgz#6f44ea99987266b70c4ec42ac51064d33e982277"
   dependencies:
-    webpack-core "^0.6.8"
+    webpack-sources "^1.3.0"
 
 webpack@~3.8.1:
   version "3.8.1"