diff --git a/python-line_profiler.changes b/python-line_profiler.changes
index 7d7b2a7..570ff6e 100644
--- a/python-line_profiler.changes
+++ b/python-line_profiler.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu May 10 15:23:01 UTC 2018 - toddrme2178@gmail.com
+
+- Set minimum python3 version
+
 -------------------------------------------------------------------
 Thu May  3 14:07:08 UTC 2018 - toddrme2178@gmail.com
 
diff --git a/python-line_profiler.spec b/python-line_profiler.spec
index 2ebcb5b..964226c 100644
--- a/python-line_profiler.spec
+++ b/python-line_profiler.spec
@@ -31,10 +31,14 @@ BuildRequires:  python-rpm-macros
 BuildRequires:  %{python_module Cython}
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  python3-devel >= 3.5
 %if %{with test}
 BuildRequires:  %{python_module nose}
 BuildRequires:  %{python_module jupyter_ipython}
 %endif
+%ifpython3
+Requires:       python3-base >= 3.5
+%endif
 Requires(post): update-alternatives
 Requires(postun): update-alternatives