diff --git a/YAML/YAML.sublime-syntax b/YAML/YAML.sublime-syntax
index f4999e6157..b6feb6b255 100644
--- a/YAML/YAML.sublime-syntax
+++ b/YAML/YAML.sublime-syntax
@@ -44,6 +44,9 @@ file_extensions:
   - yml
   - sublime-syntax
 
+hidden_file_extensions:
+  - CITATION.cff
+
 first_line_match: ^%YAML( ?1.\d+)? # Technically the number is required, but we'll be a bit loose here
 
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