diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f36fb0..5ab7d17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,11 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
-## [1.1.1] - 2019-01-14
+## [1.1.1] - 2019-01-22
+### Added
+- Irreversible exception for migrations
+- MongoStorage migration between 1.1.0 and 1.1.1
+
 ### Fixed
 - Failing JSON deserialization of some Rules.
 - Migration Migration0To1x0x3 was properly renamed to Migration0To1x1x0
diff --git a/examples/book_library/requirements.txt b/examples/book_library/requirements.txt
index 4cfa478..9214d54 100644
--- a/examples/book_library/requirements.txt
+++ b/examples/book_library/requirements.txt
@@ -1,4 +1,4 @@
-vakt>=1.1.0
+vakt>=1.1.1
 requests==2.20.0
 pymongo==3.7.2
 Flask==1.0.2
diff --git a/examples/book_library/server.py b/examples/book_library/server.py
index 5abc463..ab43bb2 100644
--- a/examples/book_library/server.py
+++ b/examples/book_library/server.py
@@ -53,7 +53,7 @@
         actions=['<.*>'],
         resources=['<.*>'],
         rules={
-            'secret': vakt.rules.string.StringEqualRule('i-am-a-teacher'),
+            'secret': vakt.rules.string.RegexMatchRule('[Ii]-am-a-teacher'),
         },
     ),
     Policy(
@@ -77,7 +77,7 @@ def init():
     if os.environ.get('STORAGE') == 'mongo':
         user, password, host = 'root', 'example', 'localhost:27017'
         uri = 'mongodb://%s:%s@%s' % (user, password, host)
-        st = MongoStorage(MongoClient(uri), 'vakt_db', collection='vakt_policies')
+        st = MongoStorage(MongoClient(host=host), 'vakt_db', collection='vakt_policies')
         # We run migrations.
         migrations = (Migration0To1x1x0(st), Migration1x1x0To1x1x1(st))
         for m in sorted(migrations, key=lambda x: x.order):
diff --git a/setup.py b/setup.py
index 57f85b7..7adcd41 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 from os import path
 
-__version__ = '1.1.0'
+__version__ = '1.1.1'
 
 
 with open(path.join(path.abspath(path.dirname(__file__)), 'README.md'), encoding='utf-8') as f: