diff --git a/python-nbformat.spec b/python-nbformat.spec
index 38e40d2..1657a96 100644
--- a/python-nbformat.spec
+++ b/python-nbformat.spec
@@ -32,7 +32,6 @@ BuildRequires:  %{python_module pip}
 BuildRequires:  fdupes
 BuildRequires:  nodejs
 BuildRequires:  python-rpm-macros >= 20210929
-Requires:       jupyter-jupyter_core
 Requires:       python-fastjsonschema
 Requires:       python-jsonschema > 2.6
 Requires:       python-jupyter_core