diff --git a/package.json b/package.json
index 14b85988..602c5ae8 100644
--- a/package.json
+++ b/package.json
@@ -108,7 +108,7 @@
     "concurrently": "^5.3.0",
     "copy-webpack-plugin": "^6.1.0",
     "csp-html-webpack-plugin": "^4.0.0",
-    "css-loader": "^3.6.0",
+    "css-loader": "^4.3.0",
     "d3-scale": "^3.2.2",
     "dotenv": "^8.2.0",
     "enzyme": "^3.11.0",
diff --git a/yarn.lock b/yarn.lock
index e1e00e5b..554f14ec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4375,24 +4375,23 @@ css-color-keywords@^1.0.0:
   resolved "https://registry.yarnpkg.com/css-color-keywords/-/css-color-keywords-1.0.0.tgz#fea2616dc676b2962686b3af8dbdbe180b244e05"
   integrity sha1-/qJhbcZ2spYmhrOvjb2+GAskTgU=
 
-css-loader@^3.6.0:
-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-3.6.0.tgz#2e4b2c7e6e2d27f8c8f28f61bffcd2e6c91ef645"
-  integrity sha512-M5lSukoWi1If8dhQAUCvj4H8vUt3vOnwbQBH9DdTm/s4Ym2B/3dPMtYZeJmq7Q3S3Pa+I94DcZ7pc9bP14cWIQ==
+css-loader@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-4.3.0.tgz#c888af64b2a5b2e85462c72c0f4a85c7e2e0821e"
+  integrity sha512-rdezjCjScIrsL8BSYszgT4s476IcNKt6yX69t0pHjJVnPUTDpn4WfIpDQTN3wCJvUvfsz/mFjuGOekf3PY3NUg==
   dependencies:
-    camelcase "^5.3.1"
+    camelcase "^6.0.0"
     cssesc "^3.0.0"
     icss-utils "^4.1.1"
-    loader-utils "^1.2.3"
-    normalize-path "^3.0.0"
+    loader-utils "^2.0.0"
     postcss "^7.0.32"
     postcss-modules-extract-imports "^2.0.0"
-    postcss-modules-local-by-default "^3.0.2"
+    postcss-modules-local-by-default "^3.0.3"
     postcss-modules-scope "^2.2.0"
     postcss-modules-values "^3.0.0"
     postcss-value-parser "^4.1.0"
-    schema-utils "^2.7.0"
-    semver "^6.3.0"
+    schema-utils "^2.7.1"
+    semver "^7.3.2"
 
 css-select@^1.1.0, css-select@~1.2.0:
   version "1.2.0"
@@ -9740,15 +9739,15 @@ postcss-modules-extract-imports@^2.0.0:
   dependencies:
     postcss "^7.0.5"
 
-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==
+postcss-modules-local-by-default@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/postcss-modules-local-by-default/-/postcss-modules-local-by-default-3.0.3.tgz#bb14e0cc78279d504dbdcbfd7e0ca28993ffbbb0"
+  integrity sha512-e3xDq+LotiGesympRlKNgaJ0PCzoUIdpH0dj47iWAui/kyTgh3CiAr1qP54uodmJhl6p9rN6BoNcdEDVJx9RDw==
   dependencies:
     icss-utils "^4.1.1"
-    postcss "^7.0.16"
+    postcss "^7.0.32"
     postcss-selector-parser "^6.0.2"
-    postcss-value-parser "^4.0.0"
+    postcss-value-parser "^4.1.0"
 
 postcss-modules-scope@^2.2.0:
   version "2.2.0"
@@ -9775,12 +9774,12 @@ postcss-selector-parser@^6.0.0, postcss-selector-parser@^6.0.2:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-value-parser@^4.0.0, postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0:
+postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.1.0.tgz#443f6a20ced6481a2bda4fa8532a6e55d789a2cb"
   integrity sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ==
 
-postcss@7.0.32, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.32, postcss@^7.0.5, postcss@^7.0.6:
+postcss@7.0.32, postcss@^7.0.14, postcss@^7.0.32, postcss@^7.0.5, postcss@^7.0.6:
   version "7.0.32"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.32.tgz#4310d6ee347053da3433db2be492883d62cec59d"
   integrity sha512-03eXong5NLnNCD05xscnGKGDZ98CyzoqPSMjOe6SuoQY7Z2hIj0Ld1g/O/UQRuOle2aRtiIRDg9tDcTGAkLfKw==
@@ -10823,7 +10822,7 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
-schema-utils@^2.6.5, schema-utils@^2.6.6, schema-utils@^2.7.0:
+schema-utils@^2.6.5, schema-utils@^2.6.6:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.7.0.tgz#17151f76d8eae67fbbf77960c33c676ad9f4efc7"
   integrity sha512-0ilKFI6QQF5nxDZLFn2dMjvc4hjg/Wkg7rHd3jK6/A4a1Hl9VFdQWvgB1UMGoU94pad1P/8N7fMcEnLnSiju8A==