diff --git a/src/yamlprocessor/__init__.py b/src/yamlprocessor/__init__.py
index fc166c7..7479431 100644
--- a/src/yamlprocessor/__init__.py
+++ b/src/yamlprocessor/__init__.py
@@ -1,2 +1,2 @@
 """Process YAML include files and variable substitutions."""
-__version__ = '0.6.5'
+__version__ = '0.6.6'