diff --git a/app/client/package.json b/app/client/package.json
index 937c68c2aa..5e24bb172d 100644
--- a/app/client/package.json
+++ b/app/client/package.json
@@ -28,6 +28,7 @@
     "@types/node": "^10.12.18",
     "@types/prismjs": "^1.16.1",
     "@types/react": "^16.8.2",
+    "@types/react-custom-scrollbars": "^4.0.7",
     "@types/react-dom": "^16.8.0",
     "@types/react-helmet": "^5.0.14",
     "@types/react-instantsearch-dom": "^6.3.0",
diff --git a/app/client/yarn.lock b/app/client/yarn.lock
index 28ed6d2d48..182d463261 100644
--- a/app/client/yarn.lock
+++ b/app/client/yarn.lock
@@ -3663,6 +3663,12 @@
     "@types/react" "*"
     "@types/reactcss" "*"
 
+"@types/react-custom-scrollbars@^4.0.7":
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/@types/react-custom-scrollbars/-/react-custom-scrollbars-4.0.7.tgz#b1312ec749fcf4a01fee7466508501e072ede7ea"
+  dependencies:
+    "@types/react" "*"
+
 "@types/react-dom@*", "@types/react-dom@^16.8.0":
   version "16.9.8"
   resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.9.8.tgz#fe4c1e11dfc67155733dfa6aa65108b4971cb423"