diff --git a/package-lock.json b/package-lock.json
index 6931f759..bc119da6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2353,9 +2353,9 @@
       "integrity": "sha1-k1vC39lFiodrJ5YXUUY4vKqWSi4="
     },
     "clean-css": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.1.tgz",
-      "integrity": "sha512-4ZxI6dy4lrY6FHzfiy1aEOXgu4LIsW2MhwG0VBKdcoGoH/XLFgaHSdLTGr4O8Be6A8r3MOphEiI8Gc1n0ecf3g==",
+      "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"
@@ -5065,12 +5065,12 @@
       }
     },
     "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"
diff --git a/package.json b/package.json
index 96f16079..4545cc84 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "eslint-plugin-import": "~2.18.0",
     "gulp": "~4.0.2",
     "gulp-autoprefixer": "^7.0.0",
-    "gulp-clean-css": "~4.2.0",
+    "gulp-clean-css": "~4.3.0",
     "gulp-eslint": "~6.0.0",
     "gulp-newer": "~1.4.0",
     "gulp-rename": "~1.4.0",