diff --git a/History.md b/History.md
index 940f2b5a..7d619219 100644
--- a/History.md
+++ b/History.md
@@ -1,6 +1,9 @@
 # Liquid Change Log
 
-## 5.3.1 (unreleased)
+## 5.4.0 (unreleased)
+
+### Features
+* Allow `#` to be used as an inline comment tag (#1498) [CP Clermont]
 
 ### Fixes
 * `PartialCache` now shares snippet cache with subcontexts by default (#1553) [Chris AtLee]
diff --git a/lib/liquid/version.rb b/lib/liquid/version.rb
index 3fc87a5a..9b0de143 100644
--- a/lib/liquid/version.rb
+++ b/lib/liquid/version.rb
@@ -2,5 +2,5 @@
 # frozen_string_literal: true
 
 module Liquid
-  VERSION = "5.3.0"
+  VERSION = "5.4.0.alpha"
 end