diff --git a/python-nbclient.spec b/python-nbclient.spec
index 996b47b..d59b41b 100644
--- a/python-nbclient.spec
+++ b/python-nbclient.spec
@@ -45,7 +45,7 @@ BuildRequires:  python-rpm-macros
 Requires:       python-jupyter-client >= 6.1.12
 Requires:       python-nbformat >= 5.1
 Requires:       python-traitlets >= 5.3
-Requires:       ((python-jupyter-core >= 4.12 with python-jupyter-core < 5) or python-jupyter-cores >= 5.1)
+Requires:       ((python-jupyter-core >= 4.12 with python-jupyter-core < 5) or python-jupyter-core >= 5.1)
 BuildArch:      noarch
 %if %{with libalternatives}
 BuildRequires:  alts