diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 968b152c..736a2d09 100755
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -4830,6 +4830,13 @@ ooc:
   - ".ooc"
   ace_mode: text
   language_id: 418
+Rascal:
+  type: programming
+  color: "FFFAA0"
+  extensions:
+  - ".rsc"
+  tm_scope: source.rascal
+  ace_mode: rascal
 reStructuredText:
   type: prose
   wrap: true