diff --git a/pkgs/development/python-modules/jupyter_core/default.nix b/pkgs/development/python-modules/jupyter_core/default.nix
index c10f30268763..fe40a3f09c48 100644
--- a/pkgs/development/python-modules/jupyter_core/default.nix
+++ b/pkgs/development/python-modules/jupyter_core/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "jupyter_core";
-  version = "4.6.1";
+  version = "4.6.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "a183e0ec2e8f6adddf62b0a3fc6a2237e3e0056d381e536d3e7c7ecc3067e244";
+    sha256 = "394fd5dd787e7c8861741880bdf8a00ce39f95de5d18e579c74b882522219e7e";
   };
 
   checkInputs = [ pytest mock glibcLocales nose ];