diff --git a/Help/release/4.0.rst b/Help/release/4.0.rst
index 9d07559951..92583b9c6f 100644
--- a/Help/release/4.0.rst
+++ b/Help/release/4.0.rst
@@ -254,3 +254,15 @@ Other Changes
   on `cmake.org`_.
 
 .. _`cmake.org`: https://cmake.org/download/
+
+Updates
+=======
+
+Changes made since CMake 4.0.0 include the following.
+
+4.0.1
+-----
+
+* This version made no changes to documented features or interfaces.
+  Some implementation updates were made to support ecosystem changes
+  and/or fix regressions.
diff --git a/Source/CMakeVersion.cmake b/Source/CMakeVersion.cmake
index 2c0db2e5c3..267d107bba 100644
--- a/Source/CMakeVersion.cmake
+++ b/Source/CMakeVersion.cmake
@@ -1,7 +1,7 @@
 # CMake version number components.
 set(CMake_VERSION_MAJOR 4)
 set(CMake_VERSION_MINOR 0)
-set(CMake_VERSION_PATCH 0)
+set(CMake_VERSION_PATCH 1)
 #set(CMake_VERSION_RC 0)
 set(CMake_VERSION_IS_DIRTY 0)