diff --git a/web/package.json b/web/package.json
index 497d61c9f..0f364cd87 100644
--- a/web/package.json
+++ b/web/package.json
@@ -61,7 +61,7 @@
   },
   "devDependencies": {
     "@craco/craco": "6.2.0",
-    "@types/chai": "4.2.20",
+    "@types/chai": "4.2.21",
     "@types/enzyme": "3.10.9",
     "@types/jest": "26.0.24",
     "chai": "4.3.4",
diff --git a/web/yarn.lock b/web/yarn.lock
index 4f9b23c20..b62baf927 100644
--- a/web/yarn.lock
+++ b/web/yarn.lock
@@ -2489,10 +2489,10 @@
   dependencies:
     "@babel/types" "^7.3.0"
 
-"@types/chai@4.2.20":
-  version "4.2.20"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.20.tgz#bb02e7d02b6c452f6bbb8fe575b56e180644de67"
-  integrity sha512-E121rHk/4BlcEwANZOwcHl8L/Sl0zyIFXJoyggXkl7FCT/4MTf5u25f+qiphe0V5ELaFIkCptgvbf4whCJUVMA==
+"@types/chai@4.2.21":
+  version "4.2.21"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.2.21.tgz#9f35a5643129df132cf3b5c1ec64046ea1af0650"
+  integrity sha512-yd+9qKmJxm496BOV9CMNaey8TWsikaZOwMRwPHQIjcOJM9oV+fi9ZMNw3JsVnbEEbo2gRTDnGEBv8pjyn67hNg==
 
 "@types/cheerio@*":
   version "0.22.18"