diff --git a/srcpkgs/python-jupyter_notebook/template b/srcpkgs/python-jupyter_notebook/template
index 9d5ab0714c1..bc03755af09 100644
--- a/srcpkgs/python-jupyter_notebook/template
+++ b/srcpkgs/python-jupyter_notebook/template
@@ -1,7 +1,7 @@
 # Template file for 'python-jupyter_notebook'
 pkgname=python-jupyter_notebook
-version=4.2.0
-revision=2
+version=4.2.1
+revision=1
 noarch=yes
 replaces="python-ipython-notebook>=0"
 wrksrc="notebook-${version}"
@@ -18,7 +18,7 @@ maintainer="Alessio Sergi <al3hex@gmail.com>"
 homepage="https://github.com/jupyter/notebook"
 license="3-clause-BSD"
 distfiles="${PYPI_SITE}/n/notebook/notebook-${version}.tar.gz"
-checksum=e10c4916c77b48394796b5b1440d61d7b210f9941194048fe20ef88948016d84
+checksum=a49de524dabb99f214bdf2a58f26c7892650251a23a3669c6492fb180492e197
 
 alternatives="
  jupyter-notebook:jupyter-notebook:/usr/bin/jupyter-notebook2.7