diff --git a/README.md b/README.md
index 29412a0..5c822ab 100644
--- a/README.md
+++ b/README.md
@@ -171,6 +171,14 @@ cipherscan can take more than 10 seconds to complete. To alleviate any timeout
 issues, you may want to run it outside of nagios, passing data through some
 temporary file.
 
+OpenSSL
+-------
+
+Cipherscan uses a custom release of openssl for linux 64 bits and darwin 64
+bits. OpenSSL is build from a custom branch maintained by Peter Mosmans that
+includes a number of patches not merged upstream. It can be found here:
+https://github.com/PeterMosmans/openssl
+
 Contributors
 ------------
 
diff --git a/openssl b/openssl
index 69aa9d8..98bf5ca 100755
Binary files a/openssl and b/openssl differ
diff --git a/openssl-darwin64 b/openssl-darwin64
index 79471ad..292ca2c 100755
Binary files a/openssl-darwin64 and b/openssl-darwin64 differ