1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index c5dee80e..f2db7d96 100644
--- a/Makefile
+++ b/Makefile
@@ -155,7 +155,7 @@ release_archive: release_tar release_zip
 
 ### download 3rd-party PHP libraries
 composer_dependencies: clean
-        composer update --no-dev
+        composer install --no-dev --prefer-dist
         find vendor/ -name ".git" -type d -exec rm -rf {} +
 
 ### generate a release tarball and include 3rd-party dependencies