diff --git a/python-zope.security.changes b/python-zope.security.changes
index af17329..79e99fd 100644
--- a/python-zope.security.changes
+++ b/python-zope.security.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Thu Apr  2 07:35:18 UTC 2020 - pgajdos@suse.com
+
+- version update to 5.1.1
+  - Ensure all objects have consistent interface resolution orders (if
+    all dependencies are up-to-date). See `issue 71
+    <https://github.com/zopefoundation/zope.security/issues/71>`_.
+
 -------------------------------------------------------------------
 Mon Mar  9 10:17:25 UTC 2020 - pgajdos@suse.com
 
diff --git a/python-zope.security.spec b/python-zope.security.spec
index f0fd852..db68e92 100644
--- a/python-zope.security.spec
+++ b/python-zope.security.spec
@@ -27,7 +27,7 @@
 %bcond_with test
 %endif
 Name:           python-zope.security%{psuffix}
-Version:        5.1.0
+Version:        5.1.1
 Release:        0
 Summary:        Zope Security Framework
 License:        ZPL-2.1
diff --git a/zope.security-5.1.0.tar.gz b/zope.security-5.1.0.tar.gz
deleted file mode 100644
index 6ba9bbf..0000000
--- a/zope.security-5.1.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:cb93e042a0d277b876499c3b2ac257c7ea060a1996dfad38225b0051edcbeeda
-size 121467
diff --git a/zope.security-5.1.1.tar.gz b/zope.security-5.1.1.tar.gz
new file mode 100644
index 0000000..5e820ca
--- /dev/null
+++ b/zope.security-5.1.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:10d4489fa88a24e67163aef44fc4910c8bbf591f461696ba724cbfc88ee18e86
+size 123400