diff --git a/NEWS b/NEWS
index b579367c..c89e36d8 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+0.4.6
+=====
+- Expose `_stack_saved` property on greenlet objects, it may be used to
+  introspect the amount of memory used by a saved stack, but the API is
+  subject to change in the future
+- Added a workaround for `return 0` compiler optimizations on all
+  architectures
+- C API typo fixes
+
 0.4.5
 =====
 - Fixed several bugs in greenlet C API
diff --git a/greenlet.h b/greenlet.h
index ed423fde..475d986c 100644
--- a/greenlet.h
+++ b/greenlet.h
@@ -11,7 +11,7 @@
 extern "C" {
 #endif
 
-#define GREENLET_VERSION "0.4.5"
+#define GREENLET_VERSION "0.4.6"
 
 typedef struct _greenlet {
 	PyObject_HEAD
diff --git a/setup.py b/setup.py
index 1844948b..f90132af 100755
--- a/setup.py
+++ b/setup.py
@@ -66,7 +66,7 @@ def _find_platform_headers():
 
 setup(
     name="greenlet",
-    version='0.4.5',
+    version='0.4.6',
     description='Lightweight in-process concurrent programming',
     long_description=readfile("README.rst"),
     maintainer="Alexey Borzenkov",