diff --git a/doc/getting_started.rst b/doc/getting_started.rst
index d7603f22..b031adf7 100644
--- a/doc/getting_started.rst
+++ b/doc/getting_started.rst
@@ -42,10 +42,10 @@ dependencies, then issue the commands:
 
 ::
 
-   wget https://pypi.python.org/packages/source/p/pystan/pystan-2.14.0.0.tar.gz
+   wget https://pypi.python.org/packages/source/p/pystan/pystan-2.15.0.0.tar.gz
    # alternatively, use curl, or a web browser
-   tar zxvf pystan-2.14.0.0.tar.gz
-   cd pystan-2.14.0.0
+   tar zxvf pystan-2.15.0.0.tar.gz
+   cd pystan-2.15.0.0
    python setup.py install
    cd ..  # change out of the source directory before importing pystan
 
diff --git a/doc/whats_new.rst b/doc/whats_new.rst
index e8dd32f7..73b1a995 100644
--- a/doc/whats_new.rst
+++ b/doc/whats_new.rst
@@ -6,9 +6,11 @@
  What's New
 ============
 
-TBA (TBA)
-=========
-- TBA
+v2.15.0.0 (21. Apr 2017)
+========================
+- Update Stan source to v2.15.0 (`release notes <https://github.com/stan-dev/stan/releases/tag/v2.15.0>`_)
+- Allow UTF-8 comments in Stan Program code. Thanks to @ahartikainen
+- Expose constrain_pars method, thanks to Lars Mescheder.
 
 V2.14.0.0 (1. Jan 2017)
 =========================
diff --git a/pystan/__init__.py b/pystan/__init__.py
index 88905c7a..88420a79 100644
--- a/pystan/__init__.py
+++ b/pystan/__init__.py
@@ -16,4 +16,4 @@
     logging.basicConfig(level=logging.INFO)
 
 # following PEP 386
-__version__ = "2.14.0.1dev"
+__version__ = '2.15.0.0'