diff --git a/CHANGES.txt b/CHANGES.txt
index f6297a0..81d8726 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -11,4 +11,5 @@ v1.2.5, 2022-07-12 -- Block some more bot useragents
 v1.2.6, 2022-07-13 -- Block one more useragent - "gh"
 v1.2.7, 2022-07-15 -- Block more user agents - "Petalbot"
 v1.3.0, 2023-02-20 -- Add rate limits
-v1.4.0, 2-24-06-21 -- Migrate to Flask.Limiter for rate limits
+v1.4.0, 2024-07-26 -- Migrate to Flask.Limiter for rate limits. Breaking Change: 'app' must be passed to 'build_search_view' as the positon 1 argument
+v2.0.0, 2024-08-02 -- Release 1.4.0 as major version change. Migrate to Flask.Limiter for rate limits. Breaking Change: 'app' must be passed to 'build_search_view' as the positon 1 argument
diff --git a/README.md b/README.md
index 559d63a..38388e1 100644
--- a/README.md
+++ b/README.md
@@ -27,10 +27,10 @@ import talisker.requests
 from flask import Flask
 from canonicalwebteam.search import build_search_view
 
-app = Flask("myapp")
+app = Flask("myapp") # You must provide app
 session = talisker.requests.get_session()  # You must provide a requests session
 
-app.add_url_rule("/search", "search", build_search_view(session))
+app.add_url_rule("/search", "search", build_search_view(app, session))
 
 # Or, a bit more complex example
 
@@ -38,7 +38,7 @@ app.add_url_rule(
     "/docs/search",
     "docs-search",
     build_search_view(
-        app=app
+        app=app # required in version 1.4.0 onwards
         session=session,
         site="maas.io/docs",
         template_path="docs/search.html",
diff --git a/setup.py b/setup.py
index 4f9854f..0ed95b3 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name="canonicalwebteam.search",
-    version="1.4.0",
+    version="2.0.0",
     author="Canonical webteam",
     author_email="webteam@canonical.com",
     url="https://github.com/canonical/canonicalwebteam.search",