diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 7c5eeb71..e0c0f95c 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -518,6 +518,12 @@ Gettext Catalog:
   extensions:
   - .pot
 
+Glyph:
+  type: programming
+  color: "#e4cc98"
+  lexer: Tcl
+  primary_extension: .glf
+
 Go:
   type: programming
   color: "#a89b4d"