diff --git a/docs/contributing.rst b/docs/contributing.rst
index eec3524e9..e1e2e2b62 100644
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -94,6 +94,9 @@ in the current directory, installed on the system level, or the ``deps`` folder
 in the project top level. The required file is called ``libevmone.so`` on Linux
 systems, ``evmone.dll`` on Windows systems and ``libevmone.dylib`` on macOS.
 
+On macOS some of the testing scripts expect GNU coreutils to be installed.
+This can be easiest accomplished using Homebrew: ``brew install coreutils``.
+
 Running the Tests
 -----------------