diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68277ac..309f704 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# 1.0.4
+
+## Bug fixes
+
+* Ensure correct values for `overwrite` are sent to API (#24)
+* Ensure OS tempdir is used for temporary files (rather than the current directory) (#22)
+
 # 1.0.3
 
 ## Maintenance
diff --git a/package.json b/package.json
index 51be2a8..819ee60 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bugsnag-sourcemaps",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "keywords": [
     "bugsnag",
     "source-maps"