diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8aac3de..18a7eae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+0.3.8
+-----
+
+- added `LetterAvatar.font` config option.
+
 0.3.7
 -----
 
diff --git a/README.md b/README.md
index 89bdecb..41374b8 100644
--- a/README.md
+++ b/README.md
@@ -78,6 +78,16 @@ LetterAvatar.setup do |config|
 end
 ```
 
+##### Custom font definition
+
+You can define your own `custom` palette:
+
+```ruby
+LetterAvatar.setup do |config|
+  config.font = File.join(File.expand_path('../../', File.dirname(__FILE__)), 'app/assets/fonts', 'font_name.ext')
+end
+```
+
 ## Usage
 
 ```ruby
diff --git a/lib/letter_avatar/avatar.rb b/lib/letter_avatar/avatar.rb
index f4096fd..bfe16d4 100644
--- a/lib/letter_avatar/avatar.rb
+++ b/lib/letter_avatar/avatar.rb
@@ -67,7 +67,7 @@ def generate_fullsize(identity)
             -size #{FULLSIZE}x#{FULLSIZE}
             xc:#{to_rgb(identity.color)}
             -pointsize #{LetterAvatar.pointsize}
-            -font #{FONT_FILENAME}
+            -font #{LetterAvatar.font}
             -weight #{LetterAvatar.weight}
             -fill '#{LetterAvatar.fill_color}'
             -gravity Center
diff --git a/lib/letter_avatar/configuration.rb b/lib/letter_avatar/configuration.rb
index 9193fef..79d400c 100644
--- a/lib/letter_avatar/configuration.rb
+++ b/lib/letter_avatar/configuration.rb
@@ -8,6 +8,14 @@ def cache_base_path=(v)
       @cache_base_path = v
     end
 
+    def font
+      @font || Avatar::FONT_FILENAME
+    end
+
+    def font=(v)
+      @font = v
+    end
+
     def fill_color
       @fill_color || Avatar::FILL_COLOR
     end
diff --git a/lib/letter_avatar/version.rb b/lib/letter_avatar/version.rb
index 349e3b2..60efc8e 100644
--- a/lib/letter_avatar/version.rb
+++ b/lib/letter_avatar/version.rb
@@ -1,3 +1,3 @@
 module LetterAvatar
-  VERSION = '0.3.7'
+  VERSION = '0.3.8'
 end