diff --git a/package.json b/package.json
index 1fdd434..ad014de 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
     "lru-cache": "^4.1.2",
     "merge-source-map": "^1.1.0",
     "postcss": "^7.0.14",
-    "postcss-selector-parser": "^5.0.0",
+    "postcss-selector-parser": "^6.0.2",
     "prettier": "^1.18.2",
     "source-map": "~0.6.1",
     "vue-template-es2015-compiler": "^1.9.0"
diff --git a/yarn.lock b/yarn.lock
index 145b0b8..da1beaf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1307,10 +1307,10 @@ css-parse@1.7.x:
   resolved "https://registry.yarnpkg.com/css-parse/-/css-parse-1.7.0.tgz#321f6cf73782a6ff751111390fc05e2c657d8c9b"
   integrity sha1-Mh9s9zeCpv91ERE5D8BeLGV9jJs=
 
-cssesc@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-2.0.0.tgz#3b13bd1bb1cb36e1bcb5a4dcd27f54c5dcb35703"
-  integrity sha512-MsCAG1z9lPdoO/IUMLSBWBSVxVtJ1395VGIQ+Fc2gNdkQ1hNDnQdw3YhA71WJCBW1vdwA0cAnk/DnW6bqoEUYg==
+cssesc@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.npm.taobao.org/cssesc/download/cssesc-3.0.0.tgz#37741919903b868565e1c09ea747445cd18983ee"
+  integrity sha1-N3QZGZA7hoVl4cCep0dEXNGJg+4=
 
 "cssom@>= 0.3.2 < 0.4.0", cssom@~0.3.6:
   version "0.3.8"
@@ -4006,12 +4006,12 @@ posix-character-classes@^0.1.0:
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
   integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
 
-postcss-selector-parser@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-5.0.0.tgz#249044356697b33b64f1a8f7c80922dddee7195c"
-  integrity sha512-w+zLE5Jhg6Liz8+rQOWEAwtwkyqpfnmsinXjXg6cY7YIONZZtgvE0v2O0uhQBs0peNomOJwWRKt6JBfTdTd3OQ==
+postcss-selector-parser@^6.0.2:
+  version "6.0.2"
+  resolved "https://registry.npm.taobao.org/postcss-selector-parser/download/postcss-selector-parser-6.0.2.tgz#934cf799d016c83411859e09dcecade01286ec5c"
+  integrity sha1-k0z3mdAWyDQRhZ4J3Oyt4BKG7Fw=
   dependencies:
-    cssesc "^2.0.0"
+    cssesc "^3.0.0"
     indexes-of "^1.0.1"
     uniq "^1.0.1"