diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index 0ce2d875..de84b9a8 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -20,8 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.5)
-
 # find dependencies
 if(${projectPrefix}BUILD_CXX_MODULES)
     add_library(example_utils INTERFACE)
diff --git a/example/glide_computer_lib/CMakeLists.txt b/example/glide_computer_lib/CMakeLists.txt
index 1ba6febd..54124f1a 100644
--- a/example/glide_computer_lib/CMakeLists.txt
+++ b/example/glide_computer_lib/CMakeLists.txt
@@ -20,8 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.5)
-
 add_library(glide_computer_lib-headers STATIC glide_computer_lib.cpp include/glide_computer_lib.h)
 target_compile_features(glide_computer_lib-headers PUBLIC cxx_std_20)
 target_link_libraries(glide_computer_lib-headers PUBLIC mp-units::mp-units example_utils-headers)
diff --git a/example/kalman_filter/CMakeLists.txt b/example/kalman_filter/CMakeLists.txt
index d1d1a6c8..26e827c5 100644
--- a/example/kalman_filter/CMakeLists.txt
+++ b/example/kalman_filter/CMakeLists.txt
@@ -20,8 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.5)
-
 add_example(kalman_filter-example_1)
 add_example(kalman_filter-example_2)
 add_example(kalman_filter-example_3)
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 448c5219..ce9b96fd 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -20,8 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.23)
-
 function(set_feature_flag name)
     if(NOT ${projectPrefix}${name} STREQUAL "AUTO")
         target_compile_definitions(
diff --git a/src/systems/CMakeLists.txt b/src/systems/CMakeLists.txt
index 0cac8872..1d7681bc 100644
--- a/src/systems/CMakeLists.txt
+++ b/src/systems/CMakeLists.txt
@@ -20,8 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.23)
-
 add_mp_units_module(
     systems mp-units-systems
     DEPENDENCIES mp-units::core
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index cdc5120d..0d20551e 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -20,8 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.5)
-
 if(NOT ${projectPrefix}API_FREESTANDING)
     add_subdirectory(runtime)
 endif()
diff --git a/test/runtime/CMakeLists.txt b/test/runtime/CMakeLists.txt
index 30c37995..0be597b3 100644
--- a/test/runtime/CMakeLists.txt
+++ b/test/runtime/CMakeLists.txt
@@ -20,8 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.5)
-
 find_package(Catch2 3 REQUIRED)
 
 add_executable(
diff --git a/test/static/CMakeLists.txt b/test/static/CMakeLists.txt
index 584e7a23..2d8b5f67 100644
--- a/test/static/CMakeLists.txt
+++ b/test/static/CMakeLists.txt
@@ -20,8 +20,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-cmake_minimum_required(VERSION 3.5)
-
 add_library(unit_tests_static_truncating quantity_test.cpp)
 target_link_libraries(unit_tests_static_truncating PRIVATE mp-units::mp-units)
 target_compile_options(
diff --git a/test_package/CMakeLists.txt b/test_package/CMakeLists.txt
index 12ef88bd..a9d51d8b 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 3.15)
+cmake_minimum_required(VERSION 3.23)
 project(test_package LANGUAGES CXX)
 
 find_package(mp-units REQUIRED)