fixing lock file

Author: weaverryan

yarn.lock

@@ -6766,6 +6766,15 @@ postcss-value-parser@^4.0.0, postcss-value-parser@^4.0.2, postcss-value-parser@^
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.1.0.tgz#443f6a20ced6481a2bda4fa8532a6e55d789a2cb"
   integrity sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ==
 
+postcss@6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.1.tgz#000dbd1f8eef217aa368b9a212c5fc40b2a8f3f2"
+  integrity sha1-AA29H47vIXqjaLmiEsX8QLKo8/I=
+  dependencies:
+    chalk "^1.1.3"
+    source-map "^0.5.6"
+    supports-color "^3.2.3"
+
 postcss@7.0.21:
   version "7.0.21"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.21.tgz#06bb07824c19c2021c5d056d5b10c35b989f7e17"