diff --git a/diffengine/__init__.py b/diffengine/__init__.py
index dd21df8..c26a7b0 100755
--- a/diffengine/__init__.py
+++ b/diffengine/__init__.py
@@ -3,7 +3,7 @@
 
 # maybe this module should be broken up into multiple files, or maybe not ...
 
-UA = "diffengine/0.2.0 (+https://github.com/docnow/diffengine)"
+UA = "diffengine/0.2.2 (+https://github.com/docnow/diffengine)"
 
 import os
 import re
diff --git a/requirements.txt b/requirements.txt
index 2bf71b1..b18f80c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ jinja2
 peewee
 pillow
 pytest
-pyyaml
+pyyaml>=5.1
 tweepy
 requests
 selenium
diff --git a/setup.py b/setup.py
index 1cdc737..4cd6a32 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,5 @@
+version = "0.2.2"
+
 import sys
 if sys.version_info < (3,0):
     sys.exit('Sorry, diffengine runs on Python 3')
@@ -14,7 +16,6 @@
 reqs.remove(htmldiff)
 reqs.append("htmldiff==0.2")
 deps = [htmldiff]
-version = "0.2.0"
 
 if __name__ == "__main__":
     setup(