diff --git a/python/pyphantomjs/__init__.py b/python/pyphantomjs/__init__.py
index 87c8c3b1..14ed7bc5 100644
--- a/python/pyphantomjs/__init__.py
+++ b/python/pyphantomjs/__init__.py
@@ -17,6 +17,6 @@
   along with this program. If not, see <http://www.gnu.org/licenses/>.
 '''
 
-__version_info__ = (1, 4, 0)
+__version_info__ = (1, 5, 0)
 
 __version__ = '.'.join(map(str, __version_info__))
diff --git a/src/consts.h b/src/consts.h
index 8107e0a5..3c4453d0 100644
--- a/src/consts.h
+++ b/src/consts.h
@@ -32,11 +32,11 @@
 #ifndef CONSTS_H
 #define CONSTS_H
 
-// Current Version: 1.4.0 (unstable)
+// Current Version: 1.5.0
 #define PHANTOMJS_VERSION_MAJOR     1
-#define PHANTOMJS_VERSION_MINOR     4
+#define PHANTOMJS_VERSION_MINOR     5
 #define PHANTOMJS_VERSION_PATCH     0
-#define PHANTOMJS_VERSION_STRING    "1.4.0"
+#define PHANTOMJS_VERSION_STRING    "1.5.0 (development)"
 
 #define COFFEE_SCRIPT_EXTENSION     ".coffee"