diff --git a/Help/dev/experimental.rst b/Help/dev/experimental.rst
index 89ebb3feab..046d214014 100644
--- a/Help/dev/experimental.rst
+++ b/Help/dev/experimental.rst
@@ -18,7 +18,7 @@ C++20 Module APIs
 =================
 
 Variable: ``CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API``
-Value: ``a816ed09-43d1-40e5-bc8c-1a2824ee194e``
+Value: ``ac01f462-0f5f-432a-86aa-acef252918a6``
 
 In order to support C++20 modules, there are a number of behaviors that have
 CMake APIs to provide the required features to build and export them from a
diff --git a/Source/cmExperimental.cxx b/Source/cmExperimental.cxx
index dd8f16ee25..104ab81217 100644
--- a/Source/cmExperimental.cxx
+++ b/Source/cmExperimental.cxx
@@ -21,7 +21,7 @@ namespace {
 cmExperimental::FeatureData LookupTable[] = {
   // CxxModuleCMakeApi
   { "CxxModuleCMakeApi",
-    "a816ed09-43d1-40e5-bc8c-1a2824ee194e",
+    "ac01f462-0f5f-432a-86aa-acef252918a6",
     "CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API",
     "CMake's C++ module support is experimental. It is meant only for "
     "experimentation and feedback to CMake developers.",
diff --git a/Tests/RunCMake/CXXModules/CMakeLists.txt b/Tests/RunCMake/CXXModules/CMakeLists.txt
index ecc66b6a29..e23023d4af 100644
--- a/Tests/RunCMake/CXXModules/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.23)
 project(${RunCMake_TEST} NONE)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/CXXModules/examples/cxx-modules-rules.cmake b/Tests/RunCMake/CXXModules/examples/cxx-modules-rules.cmake
index 6238d37bc1..5f32364f8d 100644
--- a/Tests/RunCMake/CXXModules/examples/cxx-modules-rules.cmake
+++ b/Tests/RunCMake/CXXModules/examples/cxx-modules-rules.cmake
@@ -1,4 +1,4 @@
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 if (NOT EXISTS "${CMake_TEST_MODULE_COMPILATION_RULES}")
   message(FATAL_ERROR
diff --git a/Tests/RunCMake/CXXModules/examples/export-bmi-and-interface-build/test/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/export-bmi-and-interface-build/test/CMakeLists.txt
index 4d7a85b322..c17577cb89 100644
--- a/Tests/RunCMake/CXXModules/examples/export-bmi-and-interface-build/test/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/export-bmi-and-interface-build/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.24)
 project(cxx_modules_library NONE)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 find_package(export_bmi_and_interfaces REQUIRED)
 
diff --git a/Tests/RunCMake/CXXModules/examples/export-bmi-and-interface-install/test/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/export-bmi-and-interface-install/test/CMakeLists.txt
index b96328f2b1..d608d67a92 100644
--- a/Tests/RunCMake/CXXModules/examples/export-bmi-and-interface-install/test/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/export-bmi-and-interface-install/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.24)
 project(cxx_modules_library NONE)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 find_package(export_bmi_and_interfaces REQUIRED)
 
diff --git a/Tests/RunCMake/CXXModules/examples/export-interface-build/test/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/export-interface-build/test/CMakeLists.txt
index 74f16a61f0..106bd1e1b0 100644
--- a/Tests/RunCMake/CXXModules/examples/export-interface-build/test/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/export-interface-build/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.24)
 project(cxx_modules_library NONE)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 find_package(export_interfaces REQUIRED)
 
diff --git a/Tests/RunCMake/CXXModules/examples/export-interface-install/test/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/export-interface-install/test/CMakeLists.txt
index a4c92254ce..c19283b750 100644
--- a/Tests/RunCMake/CXXModules/examples/export-interface-install/test/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/export-interface-install/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.24)
 project(cxx_modules_library NONE)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 find_package(export_interfaces REQUIRED)
 
diff --git a/Tests/RunCMake/CXXModules/examples/export-interface-no-properties-build/test/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/export-interface-no-properties-build/test/CMakeLists.txt
index 7f145ba2ca..fba05f4994 100644
--- a/Tests/RunCMake/CXXModules/examples/export-interface-no-properties-build/test/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/export-interface-no-properties-build/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.24)
 project(cxx_modules_library NONE)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 find_package(export_interfaces_no_properties REQUIRED)
 
diff --git a/Tests/RunCMake/CXXModules/examples/export-interface-no-properties-install/test/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/export-interface-no-properties-install/test/CMakeLists.txt
index 7f145ba2ca..fba05f4994 100644
--- a/Tests/RunCMake/CXXModules/examples/export-interface-no-properties-install/test/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/export-interface-no-properties-install/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.24)
 project(cxx_modules_library NONE)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 find_package(export_interfaces_no_properties REQUIRED)
 
diff --git a/Tests/RunCMake/CXXModules/examples/export-usage-build/test/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/export-usage-build/test/CMakeLists.txt
index 88bda882c2..adec9e7aee 100644
--- a/Tests/RunCMake/CXXModules/examples/export-usage-build/test/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/export-usage-build/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.24)
 project(cxx_modules_library NONE)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 find_package(export_usage REQUIRED)
 
diff --git a/Tests/RunCMake/CXXModules/examples/export-usage-install/test/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/export-usage-install/test/CMakeLists.txt
index bdc28987a9..9ccd63a32d 100644
--- a/Tests/RunCMake/CXXModules/examples/export-usage-install/test/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/export-usage-install/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.24)
 project(cxx_modules_library NONE)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 find_package(export_usage REQUIRED)
 
diff --git a/Tests/RunCMake/target_sources/FileSetDefaultWrongTypeExperimental.cmake b/Tests/RunCMake/target_sources/FileSetDefaultWrongTypeExperimental.cmake
index 0826686822..9a8429dfa5 100644
--- a/Tests/RunCMake/target_sources/FileSetDefaultWrongTypeExperimental.cmake
+++ b/Tests/RunCMake/target_sources/FileSetDefaultWrongTypeExperimental.cmake
@@ -1,6 +1,6 @@
 enable_language(C)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 add_library(lib1 STATIC empty.c)
 target_sources(lib1 PRIVATE FILE_SET UNKNOWN)
diff --git a/Tests/RunCMake/target_sources/FileSetWrongTypeExperimental.cmake b/Tests/RunCMake/target_sources/FileSetWrongTypeExperimental.cmake
index 7935178790..f63308c92c 100644
--- a/Tests/RunCMake/target_sources/FileSetWrongTypeExperimental.cmake
+++ b/Tests/RunCMake/target_sources/FileSetWrongTypeExperimental.cmake
@@ -1,6 +1,6 @@
 enable_language(C)
 
-set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "a816ed09-43d1-40e5-bc8c-1a2824ee194e")
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API "ac01f462-0f5f-432a-86aa-acef252918a6")
 
 add_library(lib1 STATIC empty.c)
 target_sources(lib1 PRIVATE FILE_SET a TYPE UNKNOWN)