diff --git a/package.json b/package.json
index f66fadf..632b8b6 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "node-sass-import": "^1.1.1",
     "node-sass-tilde-importer": "^1.0.2",
     "optimize-css-assets-webpack-plugin": "^5.0.1",
-    "postcss": "^7.0.5",
+    "postcss": "^7.0.36",
     "postcss-import": "^12.0.1",
     "postcss-loader": "^3.0.0",
     "postcss-slope-calc": "^0.2.0",
diff --git a/yarn.lock b/yarn.lock
index 502970f..5decc5b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1871,10 +1871,10 @@ chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
-  integrity sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.4.1, chalk@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
   dependencies:
     ansi-styles "^3.2.1"
     escape-string-regexp "^1.0.5"
@@ -7596,14 +7596,14 @@ postcss@^6.0.1, postcss@^6.0.10, postcss@^6.0.23:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
-postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.2, postcss@^7.0.3, postcss@^7.0.5, postcss@^7.0.6:
-  version "7.0.7"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.7.tgz#2754d073f77acb4ef08f1235c36c5721a7201614"
-  integrity sha512-HThWSJEPkupqew2fnuQMEI2YcTj/8gMV3n80cMdJsKxfIh5tHf7nM5JigNX6LxVMqo6zkgQNAI88hyFvBk41Pg==
+postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.2, postcss@^7.0.3, postcss@^7.0.36, postcss@^7.0.5, postcss@^7.0.6:
+  version "7.0.36"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.36.tgz#056f8cffa939662a8f5905950c07d5285644dfcb"
+  integrity sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==
   dependencies:
-    chalk "^2.4.1"
+    chalk "^2.4.2"
     source-map "^0.6.1"
-    supports-color "^5.5.0"
+    supports-color "^6.1.0"
 
 prelude-ls@~1.1.2:
   version "1.1.2"
@@ -9204,6 +9204,13 @@ supports-color@^5.3.0, supports-color@^5.4.0, supports-color@^5.5.0:
   dependencies:
     has-flag "^3.0.0"
 
+supports-color@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
+  integrity sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==
+  dependencies:
+    has-flag "^3.0.0"
+
 svg-tags@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/svg-tags/-/svg-tags-1.0.0.tgz#58f71cee3bd519b59d4b2a843b6c7de64ac04764"