diff --git a/large-file/package-lock.json b/large-file/package-lock.json
index fa2bba08..cded3d32 100644
--- a/large-file/package-lock.json
+++ b/large-file/package-lock.json
@@ -11339,9 +11339,9 @@
       "integrity": "sha1-g4NCMMyfdMRX3lnuvRVD/uuDt+w="
     },
     "css-what": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.0.tgz",
-      "integrity": "sha1-lGfQMsOM+u+58teVASUwYvh/ob0="
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz",
+      "integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg=="
     },
     "cssesc": {
       "version": "0.1.0",
diff --git a/large-file/package.json b/large-file/package.json
index 0e6486e3..0e87e8de 100644
--- a/large-file/package.json
+++ b/large-file/package.json
@@ -447,7 +447,7 @@
     "css-loader": "^1.0.0",
     "css-select": "1.2.0",
     "css-selector-tokenizer": "0.7.0",
-    "css-what": "2.1.0",
+    "css-what": "2.1.3",
     "cssesc": "0.1.0",
     "cssnano": "^4.0.0",
     "csso": "2.3.2",