diff --git a/Formula/d/dwarfutils.rb b/Formula/d/dwarfutils.rb
index 2198ff77ff16c9..87f45defb849c2 100644
--- a/Formula/d/dwarfutils.rb
+++ b/Formula/d/dwarfutils.rb
@@ -34,6 +34,8 @@ class Dwarfutils < Formula
 
   uses_from_macos "zlib"
 
+  conflicts_with "orbuculum", because: "both install `dwarfdump` binaries"
+
   def install
     system "sh", "autogen.sh" if build.head?
     system "./configure", *std_configure_args, "--enable-shared"
diff --git a/Formula/o/orbuculum.rb b/Formula/o/orbuculum.rb
index 18bc7609bb73ed..a78214a25f2385 100644
--- a/Formula/o/orbuculum.rb
+++ b/Formula/o/orbuculum.rb
@@ -37,6 +37,8 @@ class Orbuculum < Formula
     depends_on "elfutils"
   end
 
+  conflicts_with "dwarfutils", because: "both install `dwarfdump` binaries"
+
   def install
     system "meson", "setup", "build", *std_meson_args
     system "meson", "compile", "-C", "build", "--verbose"