diff --git a/python-jupyter-core.changes b/python-jupyter-core.changes
index 27024d6..30e5cbe 100644
--- a/python-jupyter-core.changes
+++ b/python-jupyter-core.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sat Mar 28 07:39:17 UTC 2020 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Fix buidl without python2
+
 -------------------------------------------------------------------
 Tue Mar 17 07:20:32 UTC 2020 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-jupyter-core.spec b/python-jupyter-core.spec
index 0758c10..c41223a 100644
--- a/python-jupyter-core.spec
+++ b/python-jupyter-core.spec
@@ -24,6 +24,7 @@
 %define psuffix %{nil}
 %bcond_with test
 %endif
+%bcond_without python2
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %define         oldpython python
 Name:           python-jupyter-core%{psuffix}
@@ -56,8 +57,10 @@ Obsoletes:      %{oldpython}-jupyter_core < %{version}
 BuildRequires:  %{python_module jupyter-core}
 BuildRequires:  %{python_module nose}
 BuildRequires:  %{python_module pytest}
+%if %{with python2}
 BuildRequires:  python-mock
 %endif
+%endif
 %python_subpackages
 
 %description