diff --git a/builder/index.js b/builder/index.js
index 80da1c5ab..e5b1a8607 100644
--- a/builder/index.js
+++ b/builder/index.js
@@ -100,6 +100,12 @@ async function main() {
       ].includes(id)
     ),
     require('@jupyterlab/shortcuts-extension'),
+    require('@jupyterlab/tooltip-extension').default.filter(({ id }) =>
+      [
+        '@jupyterlab/tooltip-extension:manager',
+        '@jupyterlab/tooltip-extension:notebooks'
+      ].includes(id)
+    ),
     require('@jupyterlab/theme-light-extension'),
     require('@jupyterlab/theme-dark-extension')
   ];
diff --git a/builder/package.json b/builder/package.json
index 2b8972ddf..be0888ab5 100644
--- a/builder/package.json
+++ b/builder/package.json
@@ -22,6 +22,7 @@
     "@jupyterlab/notebook-extension": "^3.0.0-rc.12",
     "@jupyterlab/rendermime-extension": "^3.0.0-rc.12",
     "@jupyterlab/shortcuts-extension": "^3.0.0-rc.12",
+    "@jupyterlab/tooltip-extension": "^3.0.0-rc.12",
     "@jupyterlab/theme-light-extension": "^3.0.0-rc.12",
     "@jupyterlab/theme-dark-extension": "^3.0.0-rc.12",
     "@jupyterlab/coreutils": "~5.0.0-rc.12"
diff --git a/builder/style.css b/builder/style.css
index 719425815..9d04b781c 100644
--- a/builder/style.css
+++ b/builder/style.css
@@ -3,6 +3,7 @@
 
 /* TODO: check is the the extension package can be used directly */
 @import url('~@jupyterlab/completer/style/index.css');
+@import url('~@jupyterlab/tooltip/style/index.css');
 
 @import url('~@jupyterlab/codemirror-extension/style/index.css');
 @import url('~@jupyterlab/docmanager-extension/style/index.css');
diff --git a/yarn.lock b/yarn.lock
index 4d26aa44b..50cae548d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2306,6 +2306,37 @@
     "@jupyterlab/apputils" "^3.0.0-rc.12"
     "@jupyterlab/translation" "^3.0.0-rc.12"
 
+"@jupyterlab/tooltip-extension@^3.0.0-rc.12":
+  version "3.0.0-rc.13"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/tooltip-extension/-/tooltip-extension-3.0.0-rc.13.tgz#548f9f98f0ff46da7dbc80e0e1530d9a75bdfa64"
+  integrity sha512-KLIajs2ddOemhW3gFTJJWzckryw31yfyw4Zldk+5Zmzzo+R/q+g1iynIBnu3Yrlbg94UpoEdh/gzNq1rESoJPg==
+  dependencies:
+    "@jupyterlab/application" "^3.0.0-rc.13"
+    "@jupyterlab/codeeditor" "^3.0.0-rc.13"
+    "@jupyterlab/console" "^3.0.0-rc.13"
+    "@jupyterlab/coreutils" "^5.0.0-rc.13"
+    "@jupyterlab/fileeditor" "^3.0.0-rc.13"
+    "@jupyterlab/notebook" "^3.0.0-rc.13"
+    "@jupyterlab/rendermime" "^3.0.0-rc.13"
+    "@jupyterlab/services" "^6.0.0-rc.13"
+    "@jupyterlab/tooltip" "^3.0.0-rc.13"
+    "@lumino/algorithm" "^1.3.3"
+    "@lumino/coreutils" "^1.5.3"
+    "@lumino/widgets" "^1.16.1"
+
+"@jupyterlab/tooltip@^3.0.0-rc.13":
+  version "3.0.0-rc.13"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/tooltip/-/tooltip-3.0.0-rc.13.tgz#092d0fd8525fb948de671aa06b1d4b3f2befd77d"
+  integrity sha512-lPVKgkFguWFlPCEW6r442YvFyDhGTviHrfZAb2AIjz7UcsAjkyEZiFLZ5XI9aS0ukXj3lHi+Ck4rwEktzUI8zQ==
+  dependencies:
+    "@jupyterlab/apputils" "^3.0.0-rc.13"
+    "@jupyterlab/codeeditor" "^3.0.0-rc.13"
+    "@jupyterlab/rendermime" "^3.0.0-rc.13"
+    "@jupyterlab/services" "^6.0.0-rc.13"
+    "@lumino/coreutils" "^1.5.3"
+    "@lumino/messaging" "^1.4.3"
+    "@lumino/widgets" "^1.16.1"
+
 "@jupyterlab/translation@^3.0.0-rc.12":
   version "3.0.0-rc.12"
   resolved "https://registry.yarnpkg.com/@jupyterlab/translation/-/translation-3.0.0-rc.12.tgz#fe02531847f2d388d629f8485dca79901518e856"