diff --git a/CHANGELOG.md b/CHANGELOG.md
index 825536f2..c843bf83 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## Master (Unreleased)
 
-## 4.0.0-beta.1
+## 4.0.0.beta.1
 
 ### Breaking Changes
 
diff --git a/lib/prawn/emoji/version.rb b/lib/prawn/emoji/version.rb
index 83982b42..32d501b6 100644
--- a/lib/prawn/emoji/version.rb
+++ b/lib/prawn/emoji/version.rb
@@ -2,6 +2,6 @@
 
 module Prawn
   module Emoji
-    VERSION = '4.0.0-beta.1'
+    VERSION = '4.0.0.beta.1'
   end
 end