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@@ -14,5 +14,14 @@ to NaCl.
If you prefer NaCl's design, we highly recommend `PyNaCl`_.
+Compiling ``cryptography`` on OS X produces a ``fatal error: 'openssl/aes.h' file not found`` error
+---------------------------------------------------------------------------------------------------
+
+This happens because OS X 10.11 no longer includes a copy of OpenSSL.
+``cryptography`` now provides wheels which include a statically linked copy of
+OpenSSL. You're seeing this error because your copy of pip is too old to find
+our wheel files. Upgrade your copy of pip with ``pip install -U pip`` and then
+try install ``cryptography`` again.
+
.. _`NaCl`: https://nacl.cr.yp.to/
.. _`PyNaCl`: https://pynacl.readthedocs.org