diff --git a/extensions/python/package.json b/extensions/python/package.json
index 53ca25bd88feb7c0080becd1373b0d49abe75b41..9ea3cf64cdc668017049c6bc0cd124bbf7ef8391 100644
--- a/extensions/python/package.json
+++ b/extensions/python/package.json
@@ -12,6 +12,7 @@
 			"id": "python",
 			"extensions": [ ".py", ".rpy", ".pyw", ".cpy", ".gyp", ".gypi", ".snakefile", ".smk", ".pyi", ".ipy"],
 			"aliases": [ "Python", "py" ],
+			"filenames": [ "Snakefile" ],
 			"firstLine": "^#!\\s*/.*\\bpython[0-9.-]*\\b",
 			"configuration": "./language-configuration.json"
 		}],