diff --git a/CHANGES.rst b/CHANGES.rst
index b43b6994..4d407400 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -19,6 +19,10 @@ Release History
    - Bugfixes
    - Documentation
 
+0.4.6 (unreleased)
+==================
+
+
 
 0.4.5 (November 19, 2019)
 =========================
diff --git a/nengo_gui/version.py b/nengo_gui/version.py
index e50931d4..a846b2bb 100644
--- a/nengo_gui/version.py
+++ b/nengo_gui/version.py
@@ -7,8 +7,8 @@
 """
 
 name = "nengo_gui"
-version_info = (0, 4, 5)  # (major, minor, patch)
-dev = None
+version_info = (0, 4, 6)  # (major, minor, patch)
+dev = 0
 
 version = "{v}{dev}".format(v='.'.join(str(v) for v in version_info),
                             dev=('.dev%d' % dev) if dev is not None else '')