diff --git a/package.json b/package.json
index c1f7fce0..7d663e79 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "babel-plugin-istanbul": "6.0.0",
     "chai": "4.3.0",
     "copy-webpack-plugin": "7.0.0",
-    "css-loader": "5.0.2",
+    "css-loader": "5.1.1",
     "cssnano": "4.1.10",
     "dayjs": "1.10.4",
     "emoji-regex": "9.2.1",
diff --git a/yarn.lock b/yarn.lock
index 964c8afa..004cf03a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2301,16 +2301,16 @@ css-has-pseudo@^0.10.0:
     postcss "^7.0.6"
     postcss-selector-parser "^5.0.0-rc.4"
 
-css-loader@5.0.2:
-  version "5.0.2"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-5.0.2.tgz#24f758dae349bad0a440c50d7e2067742e0899cb"
-  integrity sha512-gbkBigdcHbmNvZ1Cg6aV6qh6k9N6XOr8YWzISLQGrwk2mgOH8LLrizhkxbDhQtaLtktyKHD4970S0xwz5btfTA==
+css-loader@5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-5.1.1.tgz#9362d444a0f7c08c148a109596715c904e252879"
+  integrity sha512-5FfhpjwtuRgxqmusDidowqmLlcb+1HgnEDMsi2JhiUrZUcoc+cqw+mUtMIF/+OfeMYaaFCLYp1TaIt9H6I/fKA==
   dependencies:
     camelcase "^6.2.0"
     cssesc "^3.0.0"
     icss-utils "^5.1.0"
     loader-utils "^2.0.0"
-    postcss "^8.2.4"
+    postcss "^8.2.6"
     postcss-modules-extract-imports "^3.0.0"
     postcss-modules-local-by-default "^4.0.0"
     postcss-modules-scope "^3.0.0"
@@ -6315,7 +6315,7 @@ postcss-values-parser@^2.0.0, postcss-values-parser@^2.0.1:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss@8.2.5, postcss@^8.2.4:
+postcss@8.2.5:
   version "8.2.5"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.5.tgz#3c75149ada4e93db9521913654c0144517f77c9a"
   integrity sha512-wMcb7BpDcm3gxQOQx46NDNT36Kk0Ao6PJLLI2ed5vehbbbxCEuslSQzbQ2sfSKy+gkYxhWcGWSeaK+gwm4KIZg==
@@ -6333,6 +6333,15 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@^8.2.6:
+  version "8.2.6"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.6.tgz#5d69a974543b45f87e464bc4c3e392a97d6be9fe"
+  integrity sha512-xpB8qYxgPuly166AGlpRjUdEYtmOWx2iCwGmrv4vqZL9YPVviDVPZPRXxnXr6xPZOdxQ9lp3ZBFCRgWJ7LE3Sg==
+  dependencies:
+    colorette "^1.2.1"
+    nanoid "^3.1.20"
+    source-map "^0.6.1"
+
 precond@0.2:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/precond/-/precond-0.2.3.tgz#aa9591bcaa24923f1e0f4849d240f47efc1075ac"