diff --git a/python-nbformat.spec b/python-nbformat.spec
index 4175ada..5af56b2 100644
--- a/python-nbformat.spec
+++ b/python-nbformat.spec
@@ -33,7 +33,7 @@ BuildRequires:  fdupes
 BuildRequires:  nodejs
 BuildRequires:  python-rpm-macros >= 20210929
 Requires:       python-fastjsonschema
-Requires:       python-jsonschema > 2.6
+Requires:       (python-jsonschema > 2.6 with python-jsonschema < 4.18)
 Requires:       python-jupyter_core
 Requires:       python-traitlets >= 5.1
 Provides:       python-jupyter_nbformat = %{version}-%{release}
@@ -48,7 +48,7 @@ Requires(postun):update-alternatives
 %endif
 # SECTION test requirements
 BuildRequires:  %{python_module fastjsonschema}
-BuildRequires:  %{python_module jsonschema > 2.6}
+BuildRequires:  %{python_module jsonschema > 2.6 with python-jsonschema < 4.18}
 BuildRequires:  %{python_module jupyter_core}
 BuildRequires:  %{python_module pep440}
 BuildRequires:  %{python_module pytest}