diff --git a/CHANGES.txt b/CHANGES.txt
index 8f92d88..7856d0e 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,8 @@
+v1.5.7, 2015-08-31
+------------------
+
+- Rewrite ECC key encoding (issue #39)
+
 v1.5.6, 2015-02-28
 ------------------
 
diff --git a/pyelliptic/__init__.py b/pyelliptic/__init__.py
index 68701c2..85f8aa0 100644
--- a/pyelliptic/__init__.py
+++ b/pyelliptic/__init__.py
@@ -31,7 +31,7 @@
 # OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 # IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-__version__ = '1.5.6'
+__version__ = '1.5.7'
 
 __all__ = [
     'OpenSSL',
diff --git a/setup.py b/setup.py
index 1dc6933..a43f08a 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@
 
 setup(
     name="pyelliptic",
-    version='1.5.6',
+    version='1.5.7',
     url='https://github.com/yann2192/pyelliptic',
     license='BSD',
     description=