diff --git a/CMakeLists.txt b/CMakeLists.txt
index 495c95202..d5e4cf035 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.21)
-project(rollNW VERSION 0.38.0 LANGUAGES CXX C)
+project(rollNW VERSION 0.39.0 LANGUAGES CXX C)
 set (CMAKE_CXX_STANDARD 20)
 include(cmake/Cache.cmake)
 include(cmake/Sanitizers.cmake)
diff --git a/setup.py b/setup.py
index c2563cc08..2881238a8 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,7 @@ def build_extension(self, ext):
 
 setup(
     name="rollnw",
-    version="0.38.dev0",
+    version="0.39.dev0",
     author="jmd",
     author_email="joshua.m.dean@gmail.com",
     packages=["rollnw-stubs"],