diff --git a/WcaOnRails/package.json b/WcaOnRails/package.json
index e377aa0091..f046300dc0 100644
--- a/WcaOnRails/package.json
+++ b/WcaOnRails/package.json
@@ -22,7 +22,7 @@
     "blueimp-load-image": "^2.23.0",
     "classnames": "^2.2.6",
     "compression-webpack-plugin": "^3.0.0",
-    "css-loader": "^2.1.1",
+    "css-loader": "^3.1.0",
     "extract-text-webpack-plugin": "^3.0.2",
     "file-loader": "^4.1.0",
     "flag-icon-css": "viroulep/flag-icon-css#3.2.1-xk",
diff --git a/WcaOnRails/yarn.lock b/WcaOnRails/yarn.lock
index 8426ad8add..40fdd6e351 100644
--- a/WcaOnRails/yarn.lock
+++ b/WcaOnRails/yarn.lock
@@ -1789,10 +1789,10 @@ camelcase@^3.0.0:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
   integrity sha1-MvxLn82vhF/N9+c7uXysImHwqwo=
 
-camelcase@^5.0.0, camelcase@^5.2.0:
-  version "5.2.0"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.2.0.tgz#e7522abda5ed94cc0489e1b8466610e88404cf45"
-  integrity sha512-IXFsBS2pC+X0j0N/GE7Dm7j3bsEBp+oTpb7F50dwEVX7rf3IgwO9XatnegTsDtniKCUtEJH4fSU6Asw7uoVLfQ==
+camelcase@^5.0.0, camelcase@^5.2.0, camelcase@^5.3.1:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
+  integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
 caniuse-api@^3.0.0:
   version "3.0.0"
@@ -2326,6 +2326,24 @@ css-loader@^2.1.1:
     postcss-value-parser "^3.3.0"
     schema-utils "^1.0.0"
 
+css-loader@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-3.1.0.tgz#6f008b993b8ce812e6bab57f3cbfdc7a7cf28685"
+  integrity sha512-MuL8WsF/KSrHCBCYaozBKlx+r7vIfUaDTEreo7wR7Vv3J6N0z6fqWjRk3e/6wjneitXN1r/Y9FTK1psYNOBdJQ==
+  dependencies:
+    camelcase "^5.3.1"
+    cssesc "^3.0.0"
+    icss-utils "^4.1.1"
+    loader-utils "^1.2.3"
+    normalize-path "^3.0.0"
+    postcss "^7.0.17"
+    postcss-modules-extract-imports "^2.0.0"
+    postcss-modules-local-by-default "^3.0.2"
+    postcss-modules-scope "^2.1.0"
+    postcss-modules-values "^3.0.0"
+    postcss-value-parser "^4.0.0"
+    schema-utils "^2.0.0"
+
 css-prefers-color-scheme@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/css-prefers-color-scheme/-/css-prefers-color-scheme-3.1.1.tgz#6f830a2714199d4f0d0d0bb8a27916ed65cff1f4"
@@ -3708,10 +3726,10 @@ icss-replace-symbols@^1.1.0:
   resolved "https://registry.yarnpkg.com/icss-replace-symbols/-/icss-replace-symbols-1.1.0.tgz#06ea6f83679a7749e386cfe1fe812ae5db223ded"
   integrity sha1-Bupvg2ead0njhs/h/oEq5dsiPe0=
 
-icss-utils@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/icss-utils/-/icss-utils-4.1.0.tgz#339dbbffb9f8729a243b701e1c29d4cc58c52f0e"
-  integrity sha512-3DEun4VOeMvSczifM3F2cKQrDQ5Pj6WKhkOq6HD4QTnDUAq8MQRxy5TX6Sy1iY6WPBe4gQ3p5vTECjbIkglkkQ==
+icss-utils@^4.0.0, icss-utils@^4.1.0, icss-utils@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/icss-utils/-/icss-utils-4.1.1.tgz#21170b53789ee27447c2f47dd683081403f9a467"
+  integrity sha512-4aFq7wvWyMHKgxsH8QQtGpvbASCf+eM3wPRLI6R+MgAnTCZ6STYsRvttLvRWK0Nfif5piF394St3HeJDaljGPA==
   dependencies:
     postcss "^7.0.14"
 
@@ -5810,6 +5828,16 @@ postcss-modules-local-by-default@^2.0.6:
     postcss-selector-parser "^6.0.0"
     postcss-value-parser "^3.3.1"
 
+postcss-modules-local-by-default@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-modules-local-by-default/-/postcss-modules-local-by-default-3.0.2.tgz#e8a6561be914aaf3c052876377524ca90dbb7915"
+  integrity sha512-jM/V8eqM4oJ/22j0gx4jrp63GSvDH6v86OqyTHHUvk4/k1vceipZsaymiZ5PvocqZOl5SFHiFJqjs3la0wnfIQ==
+  dependencies:
+    icss-utils "^4.1.1"
+    postcss "^7.0.16"
+    postcss-selector-parser "^6.0.2"
+    postcss-value-parser "^4.0.0"
+
 postcss-modules-scope@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/postcss-modules-scope/-/postcss-modules-scope-2.1.0.tgz#ad3f5bf7856114f6fcab901b0502e2a2bc39d4eb"
@@ -5826,6 +5854,14 @@ postcss-modules-values@^2.0.0:
     icss-replace-symbols "^1.1.0"
     postcss "^7.0.6"
 
+postcss-modules-values@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-modules-values/-/postcss-modules-values-3.0.0.tgz#5b5000d6ebae29b4255301b4a3a54574423e7f10"
+  integrity sha512-1//E5jCBrZ9DmRX+zCtmQtRSV6PV42Ix7Bzj9GbwJceduuf7IqP8MgeTXuRDHOWj2m0VzZD5+roFWDuU8RQjcg==
+  dependencies:
+    icss-utils "^4.0.0"
+    postcss "^7.0.6"
+
 postcss-nested@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/postcss-nested/-/postcss-nested-4.1.0.tgz#271da8a047f2ee378139410ae2400b1c67d0bf30"
@@ -6103,7 +6139,7 @@ postcss-selector-parser@^5.0.0, postcss-selector-parser@^5.0.0-rc.3, postcss-sel
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-selector-parser@^6.0.0:
+postcss-selector-parser@^6.0.0, postcss-selector-parser@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-6.0.2.tgz#934cf799d016c83411859e09dcecade01286ec5c"
   integrity sha512-36P2QR59jDTOAiIkqEprfJDsoNrvwFei3eCqKd1Y0tUsBimsq39BLp7RD+JWny3WgB1zGhJX8XVePwm9k4wdBg==
@@ -6195,7 +6231,7 @@ postcss@^6.0.14, postcss@^6.0.21, postcss@^6.0.22, postcss@^6.0.3, postcss@^6.0.
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
-postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.5, postcss@^7.0.6:
+postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.5, postcss@^7.0.6:
   version "7.0.17"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.17.tgz#4da1bdff5322d4a0acaab4d87f3e782436bad31f"
   integrity sha512-546ZowA+KZ3OasvQZHsbuEpysvwTZNGJv9EfyCQdsIDltPSWHAeTQ5fQy/Npi2ZDtLI3zs7Ps/p6wThErhm9fQ==