diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index 589b0dc..5dbb6dc 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -1,5 +1,12 @@
 # Release Notes
 
+## Version 1.0.4
+  * Explicit support for history in VRT files
+  * Removed code for GTiff metadata size limits, as it appears this is no
+    longer necessary
+  * When gathering package version numbers, if `__version__` is unavailable, 
+    fall back to using `importlib.metadata`
+
 ## Version 1.0.3
   * Cope when a parent file has no processing history
 
diff --git a/processinghistory/__init__.py b/processinghistory/__init__.py
index 976498a..92192ee 100644
--- a/processinghistory/__init__.py
+++ b/processinghistory/__init__.py
@@ -1 +1 @@
-__version__ = "1.0.3"
+__version__ = "1.0.4"