diff --git a/script/fetch-fixtures b/script/fetch-fixtures
index a829962f..7709b219 100755
--- a/script/fetch-fixtures
+++ b/script/fetch-fixtures
@@ -21,8 +21,8 @@ fetch_grammar() {
   )
 }
 
-fetch_grammar 'javascript' '76cd7dd5eb793db21640c725e58301bde83781f7'
+fetch_grammar 'javascript' 'origin/master'
 fetch_grammar 'json'       'origin/master'
 fetch_grammar 'c'          'origin/master'
 fetch_grammar 'cpp'        'origin/master'
-fetch_grammar 'python'     '179cb35e5b35baeef4a37f00732ff2de15e2e8bd'
+fetch_grammar 'python'     'origin/master'