diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -19,7 +19,7 @@
 - "faketime"
 - "bsdmainutils"
 - "cmake"
-- "ninja"
+- "ninja-build"
 - "imagemagick"
 - "libcap-dev"
 - "libz-dev"