diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a0a5ef..5a8269e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+0.3.1
+-----
+
+- added `LetterAvatar.fill_color` config option.
+
 0.3.0
 -----
 
diff --git a/lib/letter_avatar/version.rb b/lib/letter_avatar/version.rb
index 00b21ae..cd999b7 100644
--- a/lib/letter_avatar/version.rb
+++ b/lib/letter_avatar/version.rb
@@ -1,3 +1,3 @@
 module LetterAvatar
-  VERSION = '0.3.0'
+  VERSION = '0.3.1'
 end