diff --git a/pkgs/development/python-modules/notebook/2.nix b/pkgs/development/python-modules/notebook/2.nix
index 6b891353679c..8b8cce2f8245 100644
--- a/pkgs/development/python-modules/notebook/2.nix
+++ b/pkgs/development/python-modules/notebook/2.nix
@@ -25,11 +25,11 @@
 
 buildPythonPackage rec {
   pname = "notebook";
-  version = "6.0.3";
+  version = "5.7.8";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "47a9092975c9e7965ada00b9a20f0cf637d001db60d241d479f53c0be117ad48";
+    sha256 = "573e0ae650c5d76b18b6e564ba6d21bf321d00847de1d215b418acb64f056eb8";
   };
 
   LC_ALL = "en_US.utf8";