diff --git a/package-lock.json b/package-lock.json
index 5ef49ab..c91ae61 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5135,15 +5135,15 @@
       }
     },
     "postcss-loader": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/postcss-loader/-/postcss-loader-4.0.2.tgz",
-      "integrity": "sha512-u7Qoa6GSPIeg9/hHbNnXspzuD5jjCIWKgk1fJ/gGJPS0uaj6Whk2zjXhDAiHZyYSrDmIzUQk7GgwRF22eRIQGQ==",
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/postcss-loader/-/postcss-loader-4.0.4.tgz",
+      "integrity": "sha512-pntA9zIR14drQo84yGTjQJg1m7T0DkXR4vXYHBngiRZdJtEeCrojL6lOpqUanMzG375lIJbT4Yug85zC/AJWGw==",
       "dev": true,
       "requires": {
         "cosmiconfig": "^7.0.0",
-        "klona": "^2.0.3",
+        "klona": "^2.0.4",
         "loader-utils": "^2.0.0",
-        "schema-utils": "^2.7.1",
+        "schema-utils": "^3.0.0",
         "semver": "^7.3.2"
       },
       "dependencies": {
@@ -5179,6 +5179,17 @@
             "json5": "^2.1.2"
           }
         },
+        "schema-utils": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-3.0.0.tgz",
+          "integrity": "sha512-6D82/xSzO094ajanoOSbe4YvXWMfn2A//8Y1+MUqFAJul5Bs+yn36xbK9OtNDcRVSBJ9jjeoXftM6CfztsjOAA==",
+          "dev": true,
+          "requires": {
+            "@types/json-schema": "^7.0.6",
+            "ajv": "^6.12.5",
+            "ajv-keywords": "^3.5.2"
+          }
+        },
         "semver": {
           "version": "7.3.2",
           "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.2.tgz",
diff --git a/package.json b/package.json
index fe24b66..4c4b1e8 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "gulp": "^4.0.2",
     "gulp-prettier": "^3.0.0",
     "moment": "^2.29.0",
-    "postcss-loader": "^4.0.2",
+    "postcss-loader": "^4.0.4",
     "prettier": "^2.1.2",
     "terser-webpack-plugin": "^4.2.2",
     "to-string-loader": "^1.1.6",