diff --git a/CHANGELOG.md b/CHANGELOG.md
index a4fb82d..a6e414c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 ## Changelog
 
+## 0.9.1
+
+Tagged Aug 15, 2012
+
+* Improved error handling for different target `mapnik-reference` versions (strk)
+* Bump `mapnik-reference` dependency to ~4.0.3
+* Fixed handling of image-filter syntax as per [Mapnik changes](https://github.com/mapnik/mapnik/issues/1384)
+
 ## 0.9.0
 
 * Bump `mapnik-reference` dependency to ~4.0.0 to pull in new properties.
diff --git a/package.json b/package.json
index 81d436f..85cb18a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "carto",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "description": "Mapnik Stylesheet Compiler",
   "url": "https://github.com/mapbox/carto",
   "repositories": [{
@@ -36,7 +36,7 @@
   },
   "dependencies": {
     "underscore": "~1.3.3",
-    "mapnik-reference": "~4.0.3",
+    "mapnik-reference": "~4.0.4",
     "xml2js": "~0.1.13"
   },
   "devDependencies": {