diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index 11a3fc0c9..2da1003cc 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -8,7 +8,8 @@ architectures:
 packages:
 - "ca-certificates"
 - "curl"
-- "g++"
+- "gcc-10"
+- "g++-10"
 - "git-core"
 - "pkg-config"
 - "autoconf"