diff --git a/package.json b/package.json
index bb956d752..cf2cb078e 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "postcss-nesting": "^7.0.1",
     "postcss-preset-env": "^6.7.0",
     "postcss-pxtorem": "^5.1.1",
-    "postcss-url": "^8.0.0",
+    "postcss-url": "^9.0.0",
     "react-chartjs-2": "^2.10.0",
     "react-helmet": "^6.1.0",
     "react-radio-group": "^3.0.3",
diff --git a/yarn.lock b/yarn.lock
index a7ed704a5..37920336e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5869,7 +5869,7 @@ csstype@^2.5.7:
   resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.6.13.tgz#a6893015b90e84dd6e85d0e3b442a1e84f2dbe0f"
   integrity sha512-ul26pfSQTZW8dcOnD2iiJssfXw0gdNVX9IJDH/X3K5DGPfj+fUYe3kB+swUY6BF3oZDxaID3AJt+9/ojSAE05A==
 
-cuint@^0.2.2:
+cuint@latest:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/cuint/-/cuint-0.2.2.tgz#408086d409550c2631155619e9fa7bcadc3b991b"
   integrity sha1-QICG1AlVDCYxFVYZ6fp7ytw7mRs=
@@ -11990,7 +11990,12 @@ mime@1.6.0, mime@^1.3.4:
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
   integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
 
-mime@^2.0.3, mime@^2.3.1, mime@^2.4.4, mime@^2.4.6:
+mime@2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-2.3.1.tgz#b1621c54d63b97c47d3cfe7f7215f7d64517c369"
+  integrity sha512-OEUllcVoydBHGN1z84yfQDimn58pZNNNXgZlHXSboxMlFvgI6MXSWpWKpFRra7H1HxpVhHTkrghfRW49k6yjeg==
+
+mime@^2.0.3, mime@^2.4.4, mime@^2.4.6:
   version "2.4.6"
   resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.6.tgz#e5b407c90db442f2beb5b162373d07b69affa4d1"
   integrity sha512-RZKhC3EmpBchfTGBVb8fb+RL2cWyw/32lshnsETttkBAyAUXSGHxbEJWWRXc751DrIxG1q04b8QwMbAwkRPpUA==
@@ -12193,6 +12198,13 @@ mixin-object@^2.0.1:
     for-in "^0.1.3"
     is-extendable "^0.1.1"
 
+mkdirp@0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.0.tgz#1d73076a6df986cd9344e15e71fcc05a4c9abf12"
+  integrity sha1-HXMHam35hs2TROFecfzAWkyavxI=
+  dependencies:
+    minimist "0.0.8"
+
 mkdirp@0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
@@ -14211,16 +14223,16 @@ postcss-unique-selectors@^4.0.1:
     postcss "^7.0.0"
     uniqs "^2.0.0"
 
-postcss-url@^8.0.0:
-  version "8.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-url/-/postcss-url-8.0.0.tgz#7b10059bd12929cdbb1971c60f61a0e5af86b4ca"
-  integrity sha512-E2cbOQ5aii2zNHh8F6fk1cxls7QVFZjLPSrqvmiza8OuXLzIpErij8BDS5Y3STPfJgpIMNCPEr8JlKQWEoozUw==
+postcss-url@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-url/-/postcss-url-9.0.0.tgz#4e5ca0fd7afa0cdb4dd62f38cdd1fe9a3d7ab207"
+  integrity sha512-CIawaRPYL0YNMIrT+5Yj6ogDeBBFtfkEhZDFQl20Q+GkfzKD3k9B3fdbR3Y5V+qOjoOqPNKUU8wWyXKjJAKhsg==
   dependencies:
-    mime "^2.3.1"
-    minimatch "^3.0.4"
-    mkdirp "^0.5.0"
-    postcss "^7.0.2"
-    xxhashjs "^0.2.1"
+    mime "2.3.1"
+    minimatch "3.0.4"
+    mkdirp "0.5.0"
+    postcss "7.0.2"
+    xxhashjs "0.2.1"
 
 postcss-value-parser@^3.0.0, postcss-value-parser@^3.2.3, postcss-value-parser@^3.3.0:
   version "3.3.1"
@@ -14241,6 +14253,15 @@ postcss-values-parser@^2.0.0, postcss-values-parser@^2.0.1:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
+postcss@7.0.2:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.2.tgz#7b5a109de356804e27f95a960bef0e4d5bc9bb18"
+  integrity sha512-fmaUY5370keLUTx+CnwRxtGiuFTcNBLQBqr1oE3WZ/euIYmGAo0OAgOhVJ3ByDnVmOR3PK+0V9VebzfjRIUcqw==
+  dependencies:
+    chalk "^2.4.1"
+    source-map "^0.6.1"
+    supports-color "^5.4.0"
+
 postcss@>=5.0.19, postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.21, postcss@^7.0.26, postcss@^7.0.27, postcss@^7.0.31, postcss@^7.0.32, postcss@^7.0.5, postcss@^7.0.6:
   version "7.0.32"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.32.tgz#4310d6ee347053da3433db2be492883d62cec59d"
@@ -18764,12 +18785,12 @@ xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
 
-xxhashjs@^0.2.1:
-  version "0.2.2"
-  resolved "https://registry.yarnpkg.com/xxhashjs/-/xxhashjs-0.2.2.tgz#8a6251567621a1c46a5ae204da0249c7f8caa9d8"
-  integrity sha512-AkTuIuVTET12tpsVIQo+ZU6f/qDmKuRUcjaqR+OIvm+aCBsZ95i7UVY5WJ9TMsSaZ0DA2WxoZ4acu0sPH+OKAw==
+xxhashjs@0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/xxhashjs/-/xxhashjs-0.2.1.tgz#9bbe9be896142976dfa34c061b2d068c43d30de0"
+  integrity sha1-m76b6JYUKXbfo0wGGy0GjEPTDeA=
   dependencies:
-    cuint "^0.2.2"
+    cuint latest
 
 y18n@^4.0.0:
   version "4.0.0"