diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6fc5339..967dadf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.17)
 
-project(NDIlib VERSION 4.6.2)
+project(NDIlib VERSION 5.1.1)
 
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/Modules)
 
diff --git a/setup.py b/setup.py
index 75b2c8a..7ee7b1e 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@ class build_py(_build_py):
 
 setup(
     name="ndi-python",
-    version="4.6.2",
+    version="5.1.1",
     description="Wrapper package for NDI SDK python bindings.",
     author="Naoto Kondo <cgigcp3yqt@gmail.com>",
     license="MIT",