diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a3e0b3feaa9b..5bde08d5c12a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -22339,7 +22339,7 @@ in {
     };
 
     buildInputs = with self; [ nose ] ++ optionals isPy27 [mock];
-    propagatedBuildInputs = with self; [traitlets jupyter_core jupyter_client pygments ipykernel pyqt4];
+    propagatedBuildInputs = with self; [traitlets jupyter_core jupyter_client pygments ipykernel pyqt5];
 
     # : cannot connect to X server
     doCheck = false;