diff --git a/package-lock.json b/package-lock.json
index 4f76efe..cd89970 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2082,17 +2082,32 @@
             }
         },
         "gulp-clean-css": {
-            "version": "4.2.0",
-            "resolved": "https://registry.npmjs.org/gulp-clean-css/-/gulp-clean-css-4.2.0.tgz",
-            "integrity": "sha512-r4zQsSOAK2UYUL/ipkAVCTRg/2CLZ2A+oPVORopBximRksJ6qy3EX1KGrIWT4ZrHxz3Hlobb1yyJtqiut7DNjA==",
+            "version": "4.3.0",
+            "resolved": "https://registry.npmjs.org/gulp-clean-css/-/gulp-clean-css-4.3.0.tgz",
+            "integrity": "sha512-mGyeT3qqFXTy61j0zOIciS4MkYziF2U594t2Vs9rUnpkEHqfu6aDITMp8xOvZcvdX61Uz3y1mVERRYmjzQF5fg==",
             "dev": true,
             "requires": {
-                "clean-css": "4.2.1",
+                "clean-css": "4.2.3",
                 "plugin-error": "1.0.1",
                 "through2": "3.0.1",
                 "vinyl-sourcemaps-apply": "0.2.1"
             },
             "dependencies": {
+                "clean-css": {
+                    "version": "4.2.3",
+                    "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.3.tgz",
+                    "integrity": "sha512-VcMWDN54ZN/DS+g58HYL5/n4Zrqe8vHJpGA8KdgUXFU4fuP/aHNw8eld9SyEIyabIMJX/0RaY/fplOo5hYLSFA==",
+                    "dev": true,
+                    "requires": {
+                        "source-map": "~0.6.0"
+                    }
+                },
+                "source-map": {
+                    "version": "0.6.1",
+                    "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+                    "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+                    "dev": true
+                },
                 "through2": {
                     "version": "3.0.1",
                     "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.1.tgz",
diff --git a/package.json b/package.json
index 32417b9..77b4b60 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
         "del": "5.1.0",
         "gulp": "4.0.2",
         "gulp-autoprefixer": "7.0.1",
-        "gulp-clean-css": "4.2.0",
+        "gulp-clean-css": "4.3.0",
         "gulp-htmlclean": "2.7.22",
         "gulp-htmlmin": "5.0.1",
         "gulp-rename": "2.0.0",