diff --git a/README.md b/README.md
index 98b8cbeb..c03b6c41 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,6 @@ Using a decompiler such as Hex-Rays or Ghidra is strongly recommended.
 
 You'll also need:
 
-* aarch64 binutils (Debian/Ubuntu package: `binutils-aarch64-linux-gnu`)
 * pip (for the diff script)
 * The original 1.5.0 `main` executable, converted to ELF format with [nx2elf](https://github.com/shuffle2/nx2elf).
     * Copy it to data/main.elf -- it is used for the diff script and other tools.
diff --git a/tools/aarch64-none-elf-objdump b/tools/aarch64-none-elf-objdump
new file mode 100755
index 00000000..8919ccdd
Binary files /dev/null and b/tools/aarch64-none-elf-objdump differ
diff --git a/tools/diff_settings.py b/tools/diff_settings.py
index 44e6cb46..09748192 100644
--- a/tools/diff_settings.py
+++ b/tools/diff_settings.py
@@ -5,4 +5,4 @@ def apply(config, args):
     config['baseimg'] = 'data/main.elf'
     config['myimg'] = 'build/uking'
     config['source_directories'] = ['src']
-    config['objdump_executable'] = 'aarch64-linux-gnu-objdump'
+    config['objdump_executable'] = 'tools/aarch64-none-elf-objdump'