diff --git a/python-nbclient.changes b/python-nbclient.changes
index 6789f51..c3b3f22 100644
--- a/python-nbclient.changes
+++ b/python-nbclient.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sat Jan  8 20:11:58 UTC 2022 - Ben Greiner <code@bnavigator.de>
+
+- Do not build on SLE/Leap <= 15
+
 -------------------------------------------------------------------
 Sun Nov 21 17:25:17 UTC 2021 - Ben Greiner <code@bnavigator.de>
 
diff --git a/python-nbclient.spec b/python-nbclient.spec
index f65db14..5a6adfd 100644
--- a/python-nbclient.spec
+++ b/python-nbclient.spec
@@ -23,6 +23,11 @@
 %else
 %define psuffix %{nil}
 %bcond_with test
+%if 0%{suse_version} < 1550
+# The requirements are not available in the correct versions
+# remove this if you see the :flavor build succeeding
+ExclusiveArch: donotbuild
+%endif
 %endif
 
 %if 0%{?suse_version} > 1500