diff --git a/AutoSetSyntax.sublime-settings b/AutoSetSyntax.sublime-settings
index 1186ddcc..121a5ddc 100644
--- a/AutoSetSyntax.sublime-settings
+++ b/AutoSetSyntax.sublime-settings
@@ -376,7 +376,7 @@
             "rules": [
                 {
                     "constraint": "name_contains_regex",
-                    "args": ["^requirements([\\-_.].*)?.txt$"]
+                    "args": ["^requirements([\\-_.].*)?.(txt|in)$"]
                 }
             ]
         },