diff --git a/README.md b/README.md
index f9504474812003ae51ea675739d9dd7c0b3b7604..b23f73cefaa8d83f894efd95235f63abad18f3e2 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,12 @@ Written by Ian Bell, NIST.
 
 [![PyPI version](https://badge.fury.io/py/teqp.svg)](https://badge.fury.io/py/teqp)
 
+* 0.13.0 :
+
+  * Added 2-center Lennard-Jones models to the C++ code (thanks to Sven Pohl)
+
+  * Added routine for converting the ideal-gas format of CoolProp. Exposed to Python as the ``convert_CoolProp_format`` method of the ``IdealHelmholtz`` class
+
 * 0.12.0 :
 
   * Added Exp-6 (modified Buckingham) from Kataoka and square-well from EspĂ­ndola-Heredia et al.
diff --git a/interface/teqpversion.hpp b/interface/teqpversion.hpp
index c5aa7587e442645a0bd42549ad4567007c03a00c..386a4641bab3e5e26e12649dfe5110fa2c1a3d26 100644
--- a/interface/teqpversion.hpp
+++ b/interface/teqpversion.hpp
@@ -1,2 +1,2 @@
 #include <string>
-const std::string TEQPVERSION = "0.12.0";
+const std::string TEQPVERSION = "0.13.0";