diff --git a/CHANGELOG.md b/CHANGELOG.md
index d88ca23a8..3f002e7e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ GitHub issues or pull requests that
 are related to the items below. If there is no issue or pull
 request related to the change, then we may provide the commit.
 
+v4.6
+======
+
+
 v4.5
 ======
 - Fix issue [#1378](https://github.com/opensim-org/opensim-gui/issues/1378): In Static Optimization Tool, dialog box has wrong title for "Directory" in output section.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6aeb1f2cf..621777e32 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Allow specifying VERSION for the project.
 cmake_policy(SET CMP0048 NEW)
 
-project(OpenSimApp VERSION 4.5)
+project(OpenSimApp VERSION 4.6)
 
 cmake_minimum_required(VERSION 3.1.3)