diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3323985..21445fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,5 +3,7 @@
 *The changelog has only been started with version 0.3.12, previous
 changes must be reconstructed from revision history.*
 
+* 0.3.13: Fixed logging, added support for transformations on result
+  rows to support slug generation in output (#28).
 * 0.3.12: Makes table primary key's types and names configurable, fixing
   #19. Contributed by @dnatag.
diff --git a/dataset/freeze/format/common.py b/dataset/freeze/format/common.py
index a186c5d..043025a 100644
--- a/dataset/freeze/format/common.py
+++ b/dataset/freeze/format/common.py
@@ -68,7 +68,12 @@ class Serializer(object):
 
     def serialize(self):
         self.init()
+        transforms = self.export.get('transform', {})
         for row in self.query:
+
+            for field, operation in transforms.items():
+                row[field] = OPERATIONS.get(operation)(row.get(field))
+            
             self.write(self.file_name(row), row)
         self.close()
 
diff --git a/setup.py b/setup.py
index 7cf4ea5..5d3fcbc 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name='dataset',
-    version='0.3.12',
+    version='0.3.13',
     description="Toolkit for Python-based data processing.",
     long_description="",
     classifiers=[