diff --git a/package.json b/package.json
index 7aa18494..bdeecb80 100644
--- a/package.json
+++ b/package.json
@@ -141,7 +141,7 @@
     "sinon-chai": "3.7.0",
     "smtp-tester": "2.1.0",
     "socket.io-client": "4.6.1",
-    "style-loader": "0.23.1",
+    "style-loader": "4.0.0",
     "stylus": "0.54.5",
     "stylus-loader": "3.0.2",
     "supertest": "6.3.3",
diff --git a/yarn.lock b/yarn.lock
index 64f2d8f8..f93def45 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3392,11 +3392,6 @@ aggregate-error@^3.0.0:
     clean-stack "^2.0.0"
     indent-string "^4.0.0"
 
-ajv-errors@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/ajv-errors/-/ajv-errors-1.0.1.tgz#f35986aceb91afadec4102fbd85014950cefa64d"
-  integrity sha512-DCRfO/4nQ+89p/RK43i8Ezd41EqdGIU4ld7nGF8OQ14oc/we5rEntLCUa7+jrn3nn83BosfwZA0wb4pon2o8iQ==
-
 ajv-formats@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ajv-formats/-/ajv-formats-2.1.1.tgz#6e669400659eb74973bbf2e33327180a0996b520"
@@ -3404,7 +3399,7 @@ ajv-formats@^2.1.1:
   dependencies:
     ajv "^8.0.0"
 
-ajv-keywords@^3.1.0, ajv-keywords@^3.5.2:
+ajv-keywords@^3.5.2:
   version "3.5.2"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.5.2.tgz#31f29da5ab6e00d1c2d329acf7b5929614d5014d"
   integrity sha512-5p6WTN0DdTGVQk6VjcEju19IgaHudalcfabD7yhDGeA6bcQnmL+CpveLJq/3hvfwd1aof6L386Ougkx6RfyMIQ==
@@ -3416,7 +3411,7 @@ ajv-keywords@^5.0.0:
   dependencies:
     fast-deep-equal "^3.1.3"
 
-ajv@^6.1.0, ajv@^6.10.0, ajv@^6.12.3, ajv@^6.12.4, ajv@^6.12.5:
+ajv@^6.10.0, ajv@^6.12.3, ajv@^6.12.4, ajv@^6.12.5:
   version "6.12.6"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
   integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
@@ -7055,7 +7050,7 @@ loader-runner@^4.2.0:
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-4.3.0.tgz#c1b4a163b99f614830353b16755e7149ac2314e1"
   integrity sha512-3R/1M+yS3j5ou80Me59j7F9IMs4PXs3VqRrm0TU3AbKPxlmpoY1TNscJV/oGJXo8qCatFGTfDbY6W6ipGOYXfg==
 
-loader-utils@^1.0.2, loader-utils@^1.1.0:
+loader-utils@^1.0.2:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.4.2.tgz#29a957f3a63973883eb684f10ffd3d151fec01a3"
   integrity sha512-I5d00Pd/jwMD2QCduo657+YM/6L3KZu++pmX9VFncxaxvHcru9jx1lBaFft+r4Mt2jK0Yhp41XlRAihzPxHNCg==
@@ -8969,15 +8964,6 @@ sax@>=0.6.0:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-schema-utils@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-1.0.0.tgz#0b79a93204d7b600d4b2850d1f66c2a34951c770"
-  integrity sha512-i27Mic4KovM/lnGsy8whRCHhc7VicJajAjTrYg11K9zfZXnYIt4k5F+kZkwjnrhKzLic/HLU4j11mjsz2G/75g==
-  dependencies:
-    ajv "^6.1.0"
-    ajv-errors "^1.0.0"
-    ajv-keywords "^3.1.0"
-
 schema-utils@^3.0.0, schema-utils@^3.1.0, schema-utils@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-3.1.1.tgz#bc74c4b6b6995c1d88f76a8b77bea7219e0c8281"
@@ -9652,13 +9638,10 @@ strnum@^1.0.5:
   resolved "https://registry.yarnpkg.com/strnum/-/strnum-1.0.5.tgz#5c4e829fe15ad4ff0d20c3db5ac97b73c9b072db"
   integrity sha512-J8bbNyKKXl5qYcR36TIO8W3mVGVHrmmxsd5PAItGkmyzwJvybiw2IVq5nqd0i4LSNSkB/sx9VHllbfFdr9k1JA==
 
-style-loader@0.23.1:
-  version "0.23.1"
-  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-0.23.1.tgz#cb9154606f3e771ab6c4ab637026a1049174d925"
-  integrity sha512-XK+uv9kWwhZMZ1y7mysB+zoihsEj4wneFWAS5qoiLwzW0WzSqMrrsIy+a3zkQJq0ipFtBpX5W3MqyRIBF/WFGg==
-  dependencies:
-    loader-utils "^1.1.0"
-    schema-utils "^1.0.0"
+style-loader@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-4.0.0.tgz#0ea96e468f43c69600011e0589cb05c44f3b17a5"
+  integrity sha512-1V4WqhhZZgjVAVJyt7TdDPZoPBPNHbekX4fWnCJL1yQukhCeZhJySUL+gL9y6sNdN95uEOS83Y55SqHcP7MzLA==
 
 stylus-loader@3.0.2:
   version "3.0.2"