diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88c82d6..6bf6ad2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,8 @@
 # Changelog
 
-## (pending)
+## 0.5 
 
+* Change handling of STDIN from command line. File arg is now optional, reads from stdin when omitted
 * Support local image upload (via file.io) and rasterization of SVG and TeX/MathML expressions
 * Fix image alignment when included in a column
 * Allow offsets for images
diff --git a/package.json b/package.json
index 7f62753..9d1b0ed 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "md2gslides",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Convert Markdown to Google Slides",
   "main": "index.js",
   "files": [