diff --git a/HISTORY.rst b/HISTORY.rst
index 319158c..a6efeb9 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,6 +1,14 @@
 Release History
 ===============
 
+0.18.0 (2022-04-13)
+-------------------
+
+- pan.afapi, pan.afapi.rst: Workaround for autofocus API bug. Use
+  af_in_progress to determine search completion. At some point,
+  af_message was changed from "complete" to "success" to indicate
+  search completion.
+
 0.17.0 (2022-03-19)
 -------------------
 
diff --git a/lib/pan/__init__.py b/lib/pan/__init__.py
index 8d44d69..4e6c148 100644
--- a/lib/pan/__init__.py
+++ b/lib/pan/__init__.py
@@ -16,7 +16,7 @@
 
 import logging
 
-__version__ = '0.17.0'
+__version__ = '0.18.0'
 
 DEBUG1 = logging.DEBUG
 DEBUG2 = DEBUG1 - 1