diff --git a/package.json b/package.json
index 8404a004..e0897e63 100644
--- a/package.json
+++ b/package.json
@@ -103,7 +103,7 @@
     "postcss-loader": "2.1.6",
     "postcss-url": "7.3.2",
     "rimraf": "2.7.1",
-    "sass-loader": "7.0.3",
+    "sass-loader": "7.3.1",
     "script-loader": "0.7.2",
     "semver": "5.5.0",
     "serve-static": "1.13.2",
diff --git a/yarn.lock b/yarn.lock
index ebc40c14..816b08ef 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2890,15 +2890,14 @@ cliui@^6.0.0:
     strip-ansi "^6.0.0"
     wrap-ansi "^6.2.0"
 
-clone-deep@^2.0.1:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/clone-deep/-/clone-deep-2.0.2.tgz#00db3a1e173656730d1188c3d6aced6d7ea97713"
-  integrity sha512-SZegPTKjCgpQH63E+eN6mVEEPdQBOUzjyJm5Pora4lrwWRFS8I0QAxV/KD6vV/i0WuijHZWQC1fMsPEdxfdVCQ==
+clone-deep@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/clone-deep/-/clone-deep-4.0.1.tgz#c19fd9bdbbf85942b4fd979c84dcf7d5f07c2387"
+  integrity sha512-neHB9xuzh/wk0dIHweyAXv2aPGZIVk3pLMe+/RNzINf17fe0OG96QroktYAUm7SM1PBnzTabaLboqqxDyMU+SQ==
   dependencies:
-    for-own "^1.0.0"
     is-plain-object "^2.0.4"
-    kind-of "^6.0.0"
-    shallow-clone "^1.0.0"
+    kind-of "^6.0.2"
+    shallow-clone "^3.0.0"
 
 clone@^1.0.2:
   version "1.0.4"
@@ -4690,23 +4689,11 @@ follow-redirects@^1.0.0, follow-redirects@^1.3.0:
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.1.tgz#0ca6a452306c9b276e4d3127483e29575e207ad5"
   integrity sha512-yLAMQs+k0b2m7cVxpS1VKJVvoz7SS9Td1zss3XRwXj+ZDH00RJgnuLx7E44wx02kQLrdM3aOOy+FpzS7+8OizA==
 
-for-in@^0.1.3:
-  version "0.1.8"
-  resolved "https://registry.yarnpkg.com/for-in/-/for-in-0.1.8.tgz#d8773908e31256109952b1fdb9b3fa867d2775e1"
-  integrity sha512-F0to7vbBSHP8E3l6dCjxNOLuSFAACIxFy3UehTUlG7svlXi37HHsDkyVcHo0Pq8QwrE+pXvWSVX3ZT1T9wAZ9g==
-
-for-in@^1.0.1, for-in@^1.0.2:
+for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
   integrity sha512-7EwmXrOjyL+ChxMhmG5lnW9MPt1aIeZEwKhQzoBUdTV0N3zuwWDZYVJatDvZ2OyzPUvdIAZDsCetk3coyMfcnQ==
 
-for-own@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/for-own/-/for-own-1.0.0.tgz#c63332f415cedc4b04dbfe70cf836494c53cb44b"
-  integrity sha512-0OABksIGrxKK8K4kynWkQ7y1zounQxP+CWnyclVwj81KW3vlLlGUx57DKGcP/LH216GzqnstnPocF16Nxs0Ycg==
-  dependencies:
-    for-in "^1.0.1"
-
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -6774,11 +6761,6 @@ lodash.sortby@^4.7.0:
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
   integrity sha512-HDWXG8isMntAyRF5vZ7xKuEvOhT4AhlRt/3czTSjvGUxjYCBVRQY48ViDHyfYz9VIoBkW4TMGQNapx+l3RUwdA==
 
-lodash.tail@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/lodash.tail/-/lodash.tail-4.1.1.tgz#d2333a36d9e7717c8ad2f7cacafec7c32b444664"
-  integrity sha512-+7y6zfkH4TqgS5DYKIqJuxmL5xT3WUUumVMZVRpDUo0UqJREwZqKmGo9wluj12FbPGl1UjRf2TnAImbw/bKtdw==
-
 lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
@@ -7154,14 +7136,6 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mixin-object@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/mixin-object/-/mixin-object-2.0.1.tgz#4fb949441dab182540f1fe035ba60e1947a5e57e"
-  integrity sha512-ALGF1Jt9ouehcaXaHhn6t1yGWRqGaHkPFndtFVHfZXOvkIZ/yoGaSi0AHVTafb3ZBGg4dr/bDwnaEKqCXzchMA==
-  dependencies:
-    for-in "^0.1.3"
-    is-extendable "^0.1.1"
-
 mkdirp@0.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@^0.5.6, mkdirp@~0.5.1:
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.6.tgz#7def03d2432dcae4ba1d611445c48396062255f6"
@@ -9222,16 +9196,16 @@ sane@^4.0.3:
     minimist "^1.1.1"
     walker "~1.0.5"
 
-sass-loader@7.0.3:
-  version "7.0.3"
-  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-7.0.3.tgz#6ca10871a1cc7549f8143db5a9958242c4e4ca2a"
-  integrity sha512-iaSFtQcGo4SSgDw5Aes5p4VTrA5jCGSA7sGmhPIcOloBlgI1VktM2MUrk2IHHjbNagckXlPz+HWq1vAAPrcYxA==
+sass-loader@7.3.1:
+  version "7.3.1"
+  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-7.3.1.tgz#a5bf68a04bcea1c13ff842d747150f7ab7d0d23f"
+  integrity sha512-tuU7+zm0pTCynKYHpdqaPpe+MMTQ76I9TPZ7i4/5dZsigE350shQWe5EZNl5dBidM49TPET75tNqRbcsUZWeNA==
   dependencies:
-    clone-deep "^2.0.1"
+    clone-deep "^4.0.1"
     loader-utils "^1.0.1"
-    lodash.tail "^4.1.1"
     neo-async "^2.5.0"
-    pify "^3.0.0"
+    pify "^4.0.1"
+    semver "^6.3.0"
 
 sass@1.54.4:
   version "1.54.4"
@@ -9450,14 +9424,12 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
-shallow-clone@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/shallow-clone/-/shallow-clone-1.0.0.tgz#4480cd06e882ef68b2ad88a3ea54832e2c48b571"
-  integrity sha512-oeXreoKR/SyNJtRJMAKPDSvd28OqEwG4eR/xc856cRGBII7gX9lvAqDxusPm0846z/w/hWYjI1NpKwJ00NHzRA==
+shallow-clone@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/shallow-clone/-/shallow-clone-3.0.1.tgz#8f2981ad92531f55035b01fb230769a40e02efa3"
+  integrity sha512-/6KqX+GVUdqPuPPd2LxDDxzX6CAbjJehAAOKlNpqqUpAqPM6HeL8f+o3a+JsyGjn2lv0WY8UsTgUJjU9Ok55NA==
   dependencies:
-    is-extendable "^0.1.1"
-    kind-of "^5.0.0"
-    mixin-object "^2.0.1"
+    kind-of "^6.0.2"
 
 shebang-command@^1.2.0:
   version "1.2.0"