diff --git i/CMakeLists.txt w/CMakeLists.txt
index 885e424..b9e0b43 100644
--- i/CMakeLists.txt
+++ w/CMakeLists.txt
@@ -72,7 +72,6 @@ target_sources( date INTERFACE
     $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include/date/julian.h>
 )
 # public headers will get installed:
-set_target_properties( date PROPERTIES PUBLIC_HEADER include/date/date.h )
 target_compile_definitions( date INTERFACE
     #To workaround libstdc++ issue https://github.com/HowardHinnant/date/issues/388
     ONLY_C_LOCALE=$<IF:$<BOOL:${COMPILE_WITH_C_LOCALE}>,1,0>
@@ -112,7 +111,6 @@ if( BUILD_TZ_LIB )
     endif( )
     set_target_properties( tz PROPERTIES
         POSITION_INDEPENDENT_CODE ON
-        PUBLIC_HEADER "${TZ_HEADERS}"
         VERSION "${PROJECT_VERSION}"
         SOVERSION "${PROJECT_VERSION}" )
     if( NOT MSVC )
@@ -136,8 +134,8 @@ write_basic_package_version_file( "${version_config}"
     COMPATIBILITY SameMajorVersion )
 
 install( TARGETS date
-    EXPORT dateConfig
-    PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/date )
+    EXPORT dateConfig )
+install( FILES include/date/date.h ${TZ_HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/date )
 export( TARGETS date NAMESPACE date:: FILE dateConfig.cmake )
 
 if( BUILD_TZ_LIB )