diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43b95ac..af2a2a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 *The changelog has only been started with version 0.3.12, previous
 changes must be reconstructed from revision history.*
 
+* 0.5.1: Fix a regression where empty queries would raise an exception.
 * 0.5: Improve overall code quality and testing, including Travis CI.
   An advanced __getitem__ syntax which allowed for the specification 
   of primary keys when getting a table was dropped. 
diff --git a/setup.py b/setup.py
index 1081673..bdca0ca 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ if sys.version_info[:2] <= (2, 6):
 
 setup(
     name='dataset',
-    version='0.5.0',
+    version='0.5.1',
     description="Toolkit for Python-based data processing.",
     long_description="",
     classifiers=[