diff --git a/Help/dev/experimental.rst b/Help/dev/experimental.rst
index 6f02744086..dd1249245a 100644
--- a/Help/dev/experimental.rst
+++ b/Help/dev/experimental.rst
@@ -81,7 +81,7 @@ In order to activate support for ``import std`` in C++23 and newer targets,
 set
 
 * variable ``CMAKE_EXPERIMENTAL_CXX_IMPORT_STD`` to
-* value ``0e5b6991-d74f-4b3d-a41c-cf096e0b2508``.
+* value ``a9e1cf81-9932-4810-974b-6eccaf14e457``.
 
 This UUID may change in future versions of CMake.  Be sure to use the value
 documented here by the source tree of the version of CMake with which you are
diff --git a/Source/cmExperimental.cxx b/Source/cmExperimental.cxx
index f6afc945eb..28919f8415 100644
--- a/Source/cmExperimental.cxx
+++ b/Source/cmExperimental.cxx
@@ -39,7 +39,7 @@ cmExperimental::FeatureData LookupTable[] = {
     false },
   // CxxImportStd
   { "CxxImportStd",
-    "0e5b6991-d74f-4b3d-a41c-cf096e0b2508",
+    "a9e1cf81-9932-4810-974b-6eccaf14e457",
     "CMAKE_EXPERIMENTAL_CXX_IMPORT_STD",
     "CMake's support for `import std;` in C++23 and newer is experimental. It "
     "is meant only for experimentation and feedback to CMake developers.",
diff --git a/Tests/RunCMake/CXXModules/examples/import-std-export-no-std-build/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/import-std-export-no-std-build/CMakeLists.txt
index 89350ef6d8..5d41b0edf3 100644
--- a/Tests/RunCMake/CXXModules/examples/import-std-export-no-std-build/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/import-std-export-no-std-build/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD
-  "0e5b6991-d74f-4b3d-a41c-cf096e0b2508")
+  "a9e1cf81-9932-4810-974b-6eccaf14e457")
 
 cmake_minimum_required(VERSION 3.29)
 project(cxx_modules_import_std_export_no_std CXX)
diff --git a/Tests/RunCMake/CXXModules/examples/import-std-export-no-std-install/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/import-std-export-no-std-install/CMakeLists.txt
index 62d9d9112f..fccb8b4fc7 100644
--- a/Tests/RunCMake/CXXModules/examples/import-std-export-no-std-install/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/import-std-export-no-std-install/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD
-  "0e5b6991-d74f-4b3d-a41c-cf096e0b2508")
+  "a9e1cf81-9932-4810-974b-6eccaf14e457")
 
 cmake_minimum_required(VERSION 3.29)
 project(cxx_modules_import_std_export_no_std CXX)
diff --git a/Tests/RunCMake/CXXModules/examples/import-std-no-std-property/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/import-std-no-std-property/CMakeLists.txt
index a605e95ac0..f21da1e6df 100644
--- a/Tests/RunCMake/CXXModules/examples/import-std-no-std-property/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/import-std-no-std-property/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD
-  "0e5b6991-d74f-4b3d-a41c-cf096e0b2508")
+  "a9e1cf81-9932-4810-974b-6eccaf14e457")
 
 cmake_minimum_required(VERSION 3.29)
 project(cxx_modules_import_std_no_std_property CXX)
diff --git a/Tests/RunCMake/CXXModules/examples/import-std-not-in-export-build/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/import-std-not-in-export-build/CMakeLists.txt
index 3112002959..e3e11d166d 100644
--- a/Tests/RunCMake/CXXModules/examples/import-std-not-in-export-build/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/import-std-not-in-export-build/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD
-  "0e5b6991-d74f-4b3d-a41c-cf096e0b2508")
+  "a9e1cf81-9932-4810-974b-6eccaf14e457")
 
 cmake_minimum_required(VERSION 3.29)
 project(cxx_modules_import_std_not_in_export CXX)
diff --git a/Tests/RunCMake/CXXModules/examples/import-std-not-in-export-install/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/import-std-not-in-export-install/CMakeLists.txt
index 788ea84e67..53ef333721 100644
--- a/Tests/RunCMake/CXXModules/examples/import-std-not-in-export-install/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/import-std-not-in-export-install/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD
-  "0e5b6991-d74f-4b3d-a41c-cf096e0b2508")
+  "a9e1cf81-9932-4810-974b-6eccaf14e457")
 
 cmake_minimum_required(VERSION 3.29)
 project(cxx_modules_import_std_not_in_export CXX)
diff --git a/Tests/RunCMake/CXXModules/examples/import-std-transitive/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/import-std-transitive/CMakeLists.txt
index 4d1d5df8bf..2f1266285c 100644
--- a/Tests/RunCMake/CXXModules/examples/import-std-transitive/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/import-std-transitive/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD
-  "0e5b6991-d74f-4b3d-a41c-cf096e0b2508")
+  "a9e1cf81-9932-4810-974b-6eccaf14e457")
 
 cmake_minimum_required(VERSION 3.29)
 
diff --git a/Tests/RunCMake/CXXModules/examples/import-std/CMakeLists.txt b/Tests/RunCMake/CXXModules/examples/import-std/CMakeLists.txt
index bffcd6652a..95b66363e7 100644
--- a/Tests/RunCMake/CXXModules/examples/import-std/CMakeLists.txt
+++ b/Tests/RunCMake/CXXModules/examples/import-std/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD
-  "0e5b6991-d74f-4b3d-a41c-cf096e0b2508")
+  "a9e1cf81-9932-4810-974b-6eccaf14e457")
 
 cmake_minimum_required(VERSION 3.29)
 project(cxx_modules_import_std CXX)
diff --git a/Tests/RunCMake/cmake_language/Experimental/CxxImportStd-set.cmake b/Tests/RunCMake/cmake_language/Experimental/CxxImportStd-set.cmake
index a0022979e6..4a9edf4dcc 100644
--- a/Tests/RunCMake/cmake_language/Experimental/CxxImportStd-set.cmake
+++ b/Tests/RunCMake/cmake_language/Experimental/CxxImportStd-set.cmake
@@ -1,5 +1,5 @@
 set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD
-  "0e5b6991-d74f-4b3d-a41c-cf096e0b2508")
+  "a9e1cf81-9932-4810-974b-6eccaf14e457")
 
 cmake_language(GET_EXPERIMENTAL_FEATURE_ENABLED
   "CxxImportStd"