diff --git a/CMakeLists.txt b/CMakeLists.txt
index ebe2bce..d0baf60 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,7 @@
 cmake_minimum_required( VERSION 3.7 )
 
 project( date VERSION 3.0.0 )
+set(ABI_VERSION 3) # used as SOVERSION, increment when ABI changes
 
 include( GNUInstallDirs )
 
@@ -114,7 +115,7 @@ if( BUILD_TZ_LIB )
         PRIVATE
           src/ios.mm )
     endif()
-    add_library( date::tz ALIAS date-tz )
+    add_library( date::date-tz ALIAS date-tz )
     target_link_libraries( date-tz PUBLIC date )
     target_include_directories( date-tz PUBLIC
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
@@ -145,7 +146,7 @@ if( BUILD_TZ_LIB )
         POSITION_INDEPENDENT_CODE ON
         PUBLIC_HEADER "${TZ_HEADERS}"
         VERSION "${PROJECT_VERSION}"
-        SOVERSION "${PROJECT_VERSION}" )
+        SOVERSION "${ABI_VERSION}" )
     if( NOT MSVC )
         find_package( Threads )
         target_link_libraries( date-tz PUBLIC Threads::Threads )
@@ -250,7 +251,7 @@ if( ENABLE_DATE_TESTING )
                     ${CMAKE_CXX_COMPILER}
                     -std=c++14
                     -L${CMAKE_BINARY_DIR}/
-                    -ltz
+                    -ldate-tz
                     -I${PROJECT_SOURCE_DIR}/include
                     -I${PROJECT_SOURCE_DIR}/include/date
                     -o ${BIN_NAME}
diff --git a/cmake/dateConfig.cmake b/cmake/dateConfig.cmake
index 20f86e8..2198ad1 100644
--- a/cmake/dateConfig.cmake
+++ b/cmake/dateConfig.cmake
@@ -1,8 +1,8 @@
 include( CMakeFindDependencyMacro )
 include( "${CMAKE_CURRENT_LIST_DIR}/dateTargets.cmake" )
-if( NOT MSVC AND TARGET date::tz )
+if( NOT MSVC AND TARGET date::date-tz )
     find_dependency( Threads REQUIRED)
-    get_target_property( _tzill date::tz  INTERFACE_LINK_LIBRARIES )
+    get_target_property( _tzill date::date-tz  INTERFACE_LINK_LIBRARIES )
     if( _tzill AND "${_tzill}" MATCHES "libcurl" )
         find_dependency( CURL )
     endif( )