diff --git a/package-lock.json b/package-lock.json
index ee62fc08e..3ca69c4e9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4433,11 +4433,6 @@
       "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o=",
       "dev": true
     },
-    "indexes-of": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/indexes-of/-/indexes-of-1.0.1.tgz",
-      "integrity": "sha1-8w9xbI4r00bHtn0985FVZqfAVgc="
-    },
     "inflight": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -6617,13 +6612,11 @@
       }
     },
     "postcss-selector-parser": {
-      "version": "6.0.4",
-      "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.4.tgz",
-      "integrity": "sha512-gjMeXBempyInaBqpp8gODmwZ52WaYsVOsfr4L4lDQ7n3ncD6mEyySiDtgzCT+NYC0mmeOLvtsF8iaEf0YT6dBw==",
+      "version": "6.0.5",
+      "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.5.tgz",
+      "integrity": "sha512-aFYPoYmXbZ1V6HZaSvat08M97A8HqO6Pjz+PiNpw/DhuRrC72XWAdp3hL6wusDCN31sSmcZyMGa2hZEuX+Xfhg==",
       "requires": {
         "cssesc": "^3.0.0",
-        "indexes-of": "^1.0.1",
-        "uniq": "^1.0.1",
         "util-deprecate": "^1.0.2"
       }
     },
@@ -7888,11 +7881,6 @@
         "set-value": "^2.0.1"
       }
     },
-    "uniq": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz",
-      "integrity": "sha1-sxxa6CVIRKOoKBVBzisEuGWnNP8="
-    },
     "universalify": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.0.tgz",
diff --git a/package.json b/package.json
index 338006ba5..2c6e855a8 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "postcss-functions": "^3",
     "postcss-js": "^3.0.3",
     "postcss-nested": "5.0.5",
-    "postcss-selector-parser": "^6.0.4",
+    "postcss-selector-parser": "^6.0.5",
     "postcss-value-parser": "^4.1.0",
     "pretty-hrtime": "^1.0.3",
     "quick-lru": "^5.1.1",