diff --git a/README.md b/README.md
index e112ec48c8439cfe05620b8099edf40a832a0927..70195a2ea0bc1a2f19def61e2db795fe319b4591 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,12 @@ Written by Ian Bell, NIST.
 
 [![PyPI version](https://badge.fury.io/py/teqp.svg)](https://badge.fury.io/py/teqp)
 
+* 0.9.0 :
+
+  * Add ability to obtain ancillaries for multifluid model (``see teqp/models/multifluid_ancillaries.hpp``) or the ``build_ancillaries`` method in python
+
+  * Enable ability to use multiprecision with PC-SAFT
+
 * 0.8.1 :
 
   * Replace the ``get_Ar20`` function that was erroneously removed
diff --git a/interface/multifluid_shared.hpp b/interface/multifluid_shared.hpp
index 3830b031ab8a952e58aeca269229105e16d7a8d7..6864d23fa704bb4fa2f993cabdadff5857f5743c 100644
--- a/interface/multifluid_shared.hpp
+++ b/interface/multifluid_shared.hpp
@@ -1,6 +1,7 @@
 #pragma once 
 
 #include "teqp/exceptions.hpp"
+#include "teqp/models/multifluid_ancillaries.hpp"
 
 template<typename Model, typename Wrapper>
 void add_multifluid_methods(Wrapper &wMF){
diff --git a/interface/teqpversion.hpp b/interface/teqpversion.hpp
index 635c7778ec168038b6370dab530e1d9f48debf8d..6741ff69ac808b67ae5b8fcc10c9807eac922f3b 100644
--- a/interface/teqpversion.hpp
+++ b/interface/teqpversion.hpp
@@ -1,2 +1,2 @@
 #include <string>
-const std::string TEQPVERSION = "0.8.1.dev0";
\ No newline at end of file
+const std::string TEQPVERSION = "0.9.0";
\ No newline at end of file