diff --git a/extensions/jupyterlab/package.json b/extensions/jupyterlab/package.json
index bf0fdee..6e21be9 100644
--- a/extensions/jupyterlab/package.json
+++ b/extensions/jupyterlab/package.json
@@ -38,7 +38,7 @@
   "devDependencies": {
     "prettier": "2.0.5",
     "rimraf": "3.0.2",
-    "typescript": "3.9.3"
+    "typescript": "5.4.2"
   },
   "jupyterlab": {
     "extension": true
diff --git a/extensions/jupyterlab/yarn.lock b/extensions/jupyterlab/yarn.lock
index ffed6f6..dad024c 100644
--- a/extensions/jupyterlab/yarn.lock
+++ b/extensions/jupyterlab/yarn.lock
@@ -1256,10 +1256,10 @@ typed-styles@^0.0.7:
   resolved "https://registry.yarnpkg.com/typed-styles/-/typed-styles-0.0.7.tgz#93392a008794c4595119ff62dde6809dbc40a3d9"
   integrity sha512-pzP0PWoZUhsECYjABgCGQlRGL1n7tOHsgwYv3oIiEpJwGhFTuty/YNeduxQYzXXa3Ge5BdT6sHYIQYpl4uJ+5Q==
 
-typescript@3.9.3:
-  version "3.9.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.3.tgz#d3ac8883a97c26139e42df5e93eeece33d610b8a"
-  integrity sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==
+typescript@5.4.2:
+  version "5.4.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.2.tgz#0ae9cebcfae970718474fe0da2c090cad6577372"
+  integrity sha512-+2/g0Fds1ERlP6JsakQQDXjZdZMM+rqpamFZJEKh4kwTIn3iDkgKtby0CeNd5ATNZ4Ry1ax15TMx0W2V+miizQ==
 
 typestyle@^2.0.4:
   version "2.1.0"
diff --git a/jupyter_dash/labextension/package.json b/jupyter_dash/labextension/package.json
index bf0fdee..6e21be9 100644
--- a/jupyter_dash/labextension/package.json
+++ b/jupyter_dash/labextension/package.json
@@ -38,7 +38,7 @@
   "devDependencies": {
     "prettier": "2.0.5",
     "rimraf": "3.0.2",
-    "typescript": "3.9.3"
+    "typescript": "5.4.2"
   },
   "jupyterlab": {
     "extension": true