diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2523ab49..0f4fb2e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.23)
+cmake_minimum_required(VERSION 3.25)
 project(mp-units-dev LANGUAGES CXX)
 
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f2080530..4e933d6e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.23)
+cmake_minimum_required(VERSION 3.25)
 project(mp-units VERSION 2.3.0 LANGUAGES CXX)
 
 set(projectPrefix MP_UNITS_)
diff --git a/src/cmake/AddMPUnitsModule.cmake b/src/cmake/AddMPUnitsModule.cmake
index 87457db2..6be0e278 100644
--- a/src/cmake/AddMPUnitsModule.cmake
+++ b/src/cmake/AddMPUnitsModule.cmake
@@ -20,6 +20,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+cmake_minimum_required(VERSION 3.25)
+
 include_guard(GLOBAL)
 
 function(validate_unparsed module prefix)
diff --git a/src/cmake/CheckCXXFeatureSupported.cmake b/src/cmake/CheckCXXFeatureSupported.cmake
index 337f40a6..011452c8 100644
--- a/src/cmake/CheckCXXFeatureSupported.cmake
+++ b/src/cmake/CheckCXXFeatureSupported.cmake
@@ -59,6 +59,8 @@ For example:
   check_cxx_feature_supported("__cpp_constexpr >= 202211L" STATIC_CONSTEXPR_VARS_IN_CONSTEXPR_FUNCTIONS)
 #]=======================================================================]
 
+cmake_minimum_required(VERSION 3.25)
+
 include_guard(GLOBAL)
 
 macro(CHECK_CXX_FEATURE_SUPPORTED CONDITION VARIABLE)
diff --git a/src/cmake/CheckLibcxxInUse.cmake b/src/cmake/CheckLibcxxInUse.cmake
index 7335da5c..6f14aeb7 100644
--- a/src/cmake/CheckLibcxxInUse.cmake
+++ b/src/cmake/CheckLibcxxInUse.cmake
@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.25)
 
 function(check_libcxx_in_use variable)
     if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
diff --git a/src/cmake/MPUnitsContracts.cmake b/src/cmake/MPUnitsContracts.cmake
index 6b45c24e..96907a17 100644
--- a/src/cmake/MPUnitsContracts.cmake
+++ b/src/cmake/MPUnitsContracts.cmake
@@ -20,6 +20,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+cmake_minimum_required(VERSION 3.25)
+
 add_library(mp-units-contracts INTERFACE)
 
 if(${projectPrefix}API_CONTRACTS STREQUAL "NONE")
diff --git a/test_package/CMakeLists.txt b/test_package/CMakeLists.txt
index a9d51d8b..8e11064e 100644
--- a/test_package/CMakeLists.txt
+++ b/test_package/CMakeLists.txt
@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.23)
+cmake_minimum_required(VERSION 3.25)
 project(test_package LANGUAGES CXX)
 
 find_package(mp-units REQUIRED)