diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 21021ea9..68305fae 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -338,6 +338,12 @@ Fancy:
   - .fancypack
   - .fy
 
+Fantom:
+  type: programming
+  lexer: Java 
+  extensions:
+  - .fan
+
 GAS:
   type: programming
   group: Assembly