diff --git a/tests/makephar.sh b/tests/makephar.sh
index 36f8d3737..4bafc3816 100755
--- a/tests/makephar.sh
+++ b/tests/makephar.sh
@@ -1,5 +1,5 @@
 #!/bin/sh -e
-
+composer update
 php makephar.php
 
 [ -d JSON.sh ] || git clone https://github.com/dominictarr/JSON.sh