diff --git a/package.json b/package.json
index fdebffa..05c7621 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
         "gulp-uglify": "3.0.2",
         "gulp-zip": "5.0.2",
         "inquirer": "7.3.3",
-        "postcss": "8.1.8",
+        "postcss": "8.1.9",
         "postcss-color-mod-function": "3.0.3",
         "postcss-easy-import": "3.0.0",
         "pump": "3.0.0"
diff --git a/yarn.lock b/yarn.lock
index 643edf6..04d8a30 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2754,7 +2754,7 @@ isarray@0.0.1:
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
   integrity sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=
 
-isarray@1.0.0, isarray@^1.0.0, isarray@~1.0.0:
+isarray@1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
   integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
@@ -2921,14 +2921,6 @@ liftoff@^3.1.0:
     rechoir "^0.6.2"
     resolve "^1.1.7"
 
-line-column@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/line-column/-/line-column-1.0.2.tgz#d25af2936b6f4849172b312e4792d1d987bc34a2"
-  integrity sha1-0lryk2tvSEkXKzEuR5LR2Ye8NKI=
-  dependencies:
-    isarray "^1.0.0"
-    isobject "^2.0.0"
-
 livereload-js@^2.3.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/livereload-js/-/livereload-js-2.4.0.tgz#447c31cf1ea9ab52fc20db615c5ddf678f78009c"
@@ -3215,10 +3207,10 @@ nan@^2.12.1, nan@^2.14.0:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
   integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
 
-nanoid@^3.1.16:
-  version "3.1.16"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.16.tgz#b21f0a7d031196faf75314d7c65d36352beeef64"
-  integrity sha512-+AK8MN0WHji40lj8AEuwLOvLSbWYApQpre/aFJZD71r43wVRLrOYS4FmJOPQYon1TqB462RzrrxlfA74XRES8w==
+nanoid@^3.1.18:
+  version "3.1.18"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.18.tgz#0680db22ab01c372e89209f5d18283d98de3e96d"
+  integrity sha512-rndlDjbbHbcV3xi+R2fpJ+PbGMdfBxz5v1fATIQFq0DP64FsicQdwnKLy47K4kZHdRpmQXtz24eGsxQqamzYTA==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -3988,15 +3980,15 @@ postcss-values-parser@^2.0.0:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss@8.1.8:
-  version "8.1.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.1.8.tgz#697439e7276735ecdd2893d2cf8efb2236693ac3"
-  integrity sha512-hO6jFWBy0QnBBRaw+s0F4hVPKGDICec/nLNEG1D4qqw9/LBzWMkTjckqqELXAo0J42jN8GFZXtgQfezEaoG9gQ==
+postcss@8.1.9:
+  version "8.1.9"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.1.9.tgz#20ff4b598a6f5015c5f7fe524b8ed5313d7ecade"
+  integrity sha512-oWuBpEl1meaMKkQXn0ic78TUrgsMvrAZLE/6ZY0H3LTteq2O3L8PGWwMbPLctpksTJIHjQeossMUMNQW7qRIHQ==
   dependencies:
     colorette "^1.2.1"
-    line-column "^1.0.2"
-    nanoid "^3.1.16"
+    nanoid "^3.1.18"
     source-map "^0.6.1"
+    vfile-location "^3.2.0"
 
 postcss@^6.0.1, postcss@^6.0.11:
   version "6.0.23"
@@ -5191,6 +5183,11 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
+vfile-location@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/vfile-location/-/vfile-location-3.2.0.tgz#d8e41fbcbd406063669ebf6c33d56ae8721d0f3c"
+  integrity sha512-aLEIZKv/oxuCDZ8lkJGhuhztf/BW4M+iHdCwglA/eWc+vtuRFJj8EtgceYFX4LRjOhCAAiNHsKGssC6onJ+jbA==
+
 vinyl-fs@^3.0.0:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-3.0.3.tgz#c85849405f67428feabbbd5c5dbdd64f47d31bc7"