diff --git a/grammars.yml b/grammars.yml
index 31b2d336..ea9324cc 100644
--- a/grammars.yml
+++ b/grammars.yml
@@ -385,7 +385,9 @@ grammar_sources/sublime-sourcepawn:
 grammar_sources/sublime-tea:
 - source.tea
 grammar_sources/sublime_cobol:
+- source.acucobol
 - source.cobol
+- source.opencobol
 grammar_sources/sublime_man_page_support:
 - source.man
 - text.groff