--- a/contrib/python-zstandard/setup.py	Sat Apr 01 13:43:52 2017 -0700
+++ b/contrib/python-zstandard/setup.py	Sat Apr 01 15:24:03 2017 -0700
@@ -25,10 +25,15 @@
 # facilitate reuse in other projects.
 extensions = [setup_zstd.get_c_extension(SUPPORT_LEGACY, 'zstd')]
 
+install_requires = []
+
 if cffi:
     import make_cffi
     extensions.append(make_cffi.ffi.distutils_extension())
 
+    # Need change in 1.8 for ffi.from_buffer() behavior.
+    install_requires.append('cffi>=1.8')
+
 version = None
 
 with open('c-ext/python-zstandard.h', 'r') as fh:
@@ -67,4 +72,5 @@
     keywords='zstandard zstd compression',
     ext_modules=extensions,
     test_suite='tests',
+    install_requires=install_requires,
 )