diff --git a/pkgs/development/python-modules/nbclassic/default.nix b/pkgs/development/python-modules/nbclassic/default.nix
index 6ac18bef59372..dd7576aebbeaf 100644
--- a/pkgs/development/python-modules/nbclassic/default.nix
+++ b/pkgs/development/python-modules/nbclassic/default.nix
@@ -17,14 +17,14 @@
 
 buildPythonPackage rec {
   pname = "nbclassic";
-  version = "1.1.0";
+  version = "1.2.0";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-d7d7qF+emI+brYXfNFtRTp5kx/DoIpkqsd9KeKxk/B4=";
+    hash = "sha256-c27FBIOlRIWXHbITvpIH405R/BRMeDQ2JbaZF0I2RLo=";
   };
 
   build-system = [