diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index 2ccc3b99..2fe3aea3 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -29,6 +29,7 @@ endif()
 
 if(${projectPrefix}BUILD_CXX_MODULES)
     add_library(example_utils INTERFACE)
+    target_compile_features(example_utils INTERFACE cxx_std_20)
     target_compile_definitions(example_utils INTERFACE ${projectPrefix}MODULES)
     target_include_directories(example_utils INTERFACE include)
     target_link_libraries(example_utils INTERFACE gsl::gsl-lite)
@@ -44,7 +45,8 @@ target_link_libraries(example_utils-headers INTERFACE gsl::gsl-lite)
 function(add_example target)
     if(${projectPrefix}BUILD_CXX_MODULES)
         add_executable(${target} ${target}.cpp)
-        target_compile_definitions(${target} PUBLIC ${projectPrefix}MODULES)
+        target_compile_features(${target} PRIVATE cxx_std_20)
+        target_compile_definitions(${target} PRIVATE ${projectPrefix}MODULES)
         target_link_libraries(${target} PRIVATE mp-units::mp-units ${ARGN})
     endif()
 
diff --git a/example/glide_computer_lib/CMakeLists.txt b/example/glide_computer_lib/CMakeLists.txt
index 56dce4a2..1ba6febd 100644
--- a/example/glide_computer_lib/CMakeLists.txt
+++ b/example/glide_computer_lib/CMakeLists.txt
@@ -23,11 +23,13 @@
 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)
 target_include_directories(glide_computer_lib-headers PUBLIC include)
 
 if(${projectPrefix}BUILD_CXX_MODULES)
     add_library(glide_computer_lib STATIC glide_computer_lib.cpp include/glide_computer_lib.h)
+    target_compile_features(glide_computer_lib PUBLIC cxx_std_20)
     target_compile_definitions(glide_computer_lib PUBLIC ${projectPrefix}MODULES)
     target_link_libraries(glide_computer_lib PUBLIC mp-units::mp-units example_utils)
     target_include_directories(glide_computer_lib PUBLIC include)
diff --git a/src/cmake/AddMPUnitsModule.cmake b/src/cmake/AddMPUnitsModule.cmake
index da42cd1b..00a53f91 100644
--- a/src/cmake/AddMPUnitsModule.cmake
+++ b/src/cmake/AddMPUnitsModule.cmake
@@ -62,6 +62,7 @@ function(add_mp_units_module name target_name)
 
     # define the target for a module
     add_library(${target_name} ${SCOPE})
+    target_compile_features(${target_name} INTERFACE cxx_std_20)
     target_link_libraries(${target_name} ${${projectPrefix}TARGET_SCOPE} ${ARG_DEPENDENCIES})
     set_target_properties(${target_name} PROPERTIES EXPORT_NAME ${name})
     add_library(mp-units::${name} ALIAS ${target_name})
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index cec5811b..1ed2cfec 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -77,7 +77,6 @@ add_mp_units_module(
     MODULE_INTERFACE_UNIT mp-units-core.cpp
 )
 
-target_compile_features(mp-units-core INTERFACE cxx_std_20)
 target_compile_definitions(
     mp-units-core ${${projectPrefix}TARGET_SCOPE} ${projectPrefix}USE_LIBFMT=$<BOOL:${${projectPrefix}USE_LIBFMT}>
 )