diff --git a/CHANGELOG.md b/CHANGELOG.md
index edeb7483..117333bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+1.0.4
+-----
+
+ *  Fix a crash when using iolist() as payload for some Websocket frames
+
 1.0.3
 -----
 
diff --git a/src/cowboy.app.src b/src/cowboy.app.src
index 2b8add07..c9cb8506 100644
--- a/src/cowboy.app.src
+++ b/src/cowboy.app.src
@@ -14,7 +14,7 @@
 
 {application, cowboy, [
 	{description, "Small, fast, modular HTTP server."},
-	{vsn, "1.0.3"},
+	{vsn, "1.0.4"},
 	{id, "git"},
 	{modules, []},
 	{registered, [cowboy_clock, cowboy_sup]},