diff --git a/python-cryptography.changes b/python-cryptography.changes
index d02e62b..133c1ed 100644
--- a/python-cryptography.changes
+++ b/python-cryptography.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jan 16 10:14:37 UTC 2018 - dmueller@suse.com
+
+- add missing dependency on python ssl
+
 -------------------------------------------------------------------
 Fri Dec  8 18:04:13 UTC 2017 - arun@gmx.de
 
diff --git a/python-cryptography.spec b/python-cryptography.spec
index 2d768eb..c1060c4 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-cryptography
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -66,6 +66,8 @@ BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module virtualenv}
 # /SECTION
 %ifpython2
+# python-base is not enough, we need the _ssl module
+Requires:       python
 Requires:       python-enum34
 Requires:       python-ipaddress
 %endif