diff --git a/packages/@css-blocks/website/package.json b/packages/@css-blocks/website/package.json
index 35768c27..0488931e 100644
--- a/packages/@css-blocks/website/package.json
+++ b/packages/@css-blocks/website/package.json
@@ -26,7 +26,7 @@
     "eslint-plugin-import": "2.8.0",
     "eslint-plugin-jsx-a11y": "5.1.1",
     "eslint-plugin-react": "7.4.0",
-    "express": "^4.16.3",
+    "express": "^4.17.3",
     "extract-text-webpack-plugin": "3.0.2",
     "file-loader": "1.1.5",
     "fs-extra": "^8.0.0",
diff --git a/packages/@css-blocks/website/yarn.lock b/packages/@css-blocks/website/yarn.lock
index a2faba8c..2a419373 100644
--- a/packages/@css-blocks/website/yarn.lock
+++ b/packages/@css-blocks/website/yarn.lock
@@ -191,14 +191,7 @@ abbrev@1, abbrev@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
 
-accepts@~1.3.4:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.4.tgz#86246758c7dd6d21a6474ff084a4740ec05eb21f"
-  dependencies:
-    mime-types "~2.1.16"
-    negotiator "0.6.1"
-
-accepts@~1.3.5:
+accepts@~1.3.4, accepts@~1.3.5:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.5.tgz#eb777df6011723a3b14e8a72c0805c8e86746bd2"
   integrity sha1-63d99gEXI6OxTopywIBcjoZ0a9I=
@@ -2274,7 +2267,7 @@ debug@2.6.9, debug@^2.2.0, debug@^2.3.3, debug@^2.6.0, debug@^2.6.6, debug@^2.6.
   dependencies:
     ms "2.0.0"
 
-debug@3.1.0, debug@^3.0.1, debug@^3.1.0:
+debug@3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
   dependencies:
@@ -2287,7 +2280,7 @@ debug@4, debug@^4.0.1, debug@^4.1.0, debug@^4.1.1:
   dependencies:
     ms "^2.1.1"
 
-debug@^3, debug@^3.2.5, debug@^3.2.6:
+debug@^3, debug@^3.0.1, debug@^3.1.0, debug@^3.2.5, debug@^3.2.6:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
@@ -7066,15 +7059,11 @@ rxjs@^6.4.0:
   dependencies:
     tslib "^1.9.0"
 
-safe-buffer@5.1.2, safe-buffer@^5.1.2:
+safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
-
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -7715,15 +7704,15 @@ static-extend@^0.1.1:
     define-property "^0.2.5"
     object-copy "^0.1.0"
 
-"statuses@>= 1.3.1 < 2", statuses@~1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
-
-"statuses@>= 1.4.0 < 2", "statuses@>= 1.5.0 < 2":
+"statuses@>= 1.3.1 < 2", "statuses@>= 1.4.0 < 2", "statuses@>= 1.5.0 < 2":
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
   integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
 
+statuses@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
+
 stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"