diff --git a/extra/jupyterlab/.SRCINFO b/extra/jupyterlab/.SRCINFO
index e19c63bd2..30384e35e 100644
--- a/extra/jupyterlab/.SRCINFO
+++ b/extra/jupyterlab/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = jupyterlab
 	pkgdesc = JupyterLab computational environment
-	pkgver = 4.1.8
+	pkgver = 4.2.0
 	pkgrel = 1
 	url = https://github.com/jupyterlab/jupyterlab
 	arch = any
@@ -28,7 +28,7 @@ pkgbase = jupyterlab
 	optdepends = jupyter-collaboration: collaborative mode
 	optdepends = jupyterlab-widgets: ipywidgets support
 	optdepends = npm: to install extensions
-	source = git+https://github.com/jupyterlab/jupyterlab#tag=v4.1.8
-	sha256sums = 451b3afcfeed70f5706c7d18ad08f11f43b92992e9285979ca50af4463c839a9
+	source = git+https://github.com/jupyterlab/jupyterlab#tag=v4.2.0
+	sha256sums = 275fcf3831f8302ea3d7f343847747b4fa7abef96df0d34a518941d739c4dc6b
 
 pkgname = jupyterlab
diff --git a/extra/jupyterlab/PKGBUILD b/extra/jupyterlab/PKGBUILD
index 0102d092e..f6c8a3057 100644
--- a/extra/jupyterlab/PKGBUILD
+++ b/extra/jupyterlab/PKGBUILD
@@ -5,7 +5,7 @@
 
 pkgname=jupyterlab
 _pipname=jupyterlab
-pkgver=4.1.8
+pkgver=4.2.0
 pkgrel=1
 pkgdesc='JupyterLab computational environment'
 arch=(any)
@@ -35,7 +35,7 @@ checkdepends=(npm
               python-pytest-jupyter
               python-pytest-tornasync)
 source=(git+https://github.com/jupyterlab/jupyterlab#tag=v$pkgver)
-sha256sums=('451b3afcfeed70f5706c7d18ad08f11f43b92992e9285979ca50af4463c839a9')
+sha256sums=('275fcf3831f8302ea3d7f343847747b4fa7abef96df0d34a518941d739c4dc6b')
 
 build() {
   cd $pkgname