diff --git a/index/li/libgmp/libgmp-external.toml b/index/li/libgmp/libgmp-external.toml
index 1908af63..586929d2 100644
--- a/index/li/libgmp/libgmp-external.toml
+++ b/index/li/libgmp/libgmp-external.toml
@@ -10,10 +10,8 @@ kind = "system"
 "debian|ubuntu" = ["libgmp-dev"]
 arch = ["gmp"]
 msys2 = ["mingw-w64-x86_64-gmp"]
-homebrew = ["gmp"]
-macports = ["gmp"]
-fedora = ["gmp-devel"]
-suse = ["gmp-devel"]
+"homebrew|macports" = ["gmp"]
+"fedora|rhel|suse" = ["gmp-devel"]
 gentoo = ["dev-libs/gmp"]
 
 [[external]]