CMake 3.21.6
diff --git a/Help/release/3.21.rst b/Help/release/3.21.rst
index ae954b2..847f82d 100644
--- a/Help/release/3.21.rst
+++ b/Help/release/3.21.rst
@@ -335,9 +335,9 @@
   "Visual Studio 2022" release candidates.  Previously it was based on
   preview versions.
 
-3.21.5
-------
+3.21.5, 3.21.6
+--------------
 
-This version made no changes to documented features or interfaces.
+These versions 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 50db960..4097e83 100644
--- a/Source/CMakeVersion.cmake
+++ b/Source/CMakeVersion.cmake
@@ -1,7 +1,7 @@
 # CMake version number components.
 set(CMake_VERSION_MAJOR 3)
 set(CMake_VERSION_MINOR 21)
-set(CMake_VERSION_PATCH 5)
+set(CMake_VERSION_PATCH 6)
 #set(CMake_VERSION_RC 0)
 set(CMake_VERSION_IS_DIRTY 0)