diff --git a/MyxCMakeConfigVersion.cmake b/MyxCMakeConfigVersion.cmake
index 69bd845..e7d32ef 100644
--- a/MyxCMakeConfigVersion.cmake
+++ b/MyxCMakeConfigVersion.cmake
@@ -1,4 +1,4 @@
-set(MYX_CMAKE_PACKAGE_VERSION "1.99.43")
+set(MYX_CMAKE_PACKAGE_VERSION "1.99.44")
 if(MYX_CMAKE_PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
   set(PACKAGE_VERSION_COMPATIBLE FALSE)
 else()
diff --git a/README.md b/README.md
index fdc39e9..3ead8d5 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@
 
 ```cmake
 if(MYX_CMAKE_USE_SYSTEM)
-  find_package(MyxCMake 1.99.43 REQUIRED)
+  find_package(MyxCMake 1.99.44 REQUIRED)
 else()
   include(${PROJECT_SOURCE_DIR}/cmake/myx/MyxCMakeConfig.cmake)
 endif()
diff --git a/VERSION.txt b/VERSION.txt
index 1fbd756..85a74f3 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-1.99.43
+1.99.44
diff --git a/lib/Qt5TargetSetup.cmake b/lib/Qt5TargetSetup.cmake
index 0bc54d2..60358fa 100644
--- a/lib/Qt5TargetSetup.cmake
+++ b/lib/Qt5TargetSetup.cmake
@@ -56,9 +56,9 @@ function(myx_qt5_target_setup NAME)
   if("LinguistTools" IN_LIST ARG_COMPONENTS)
     foreach(iter ${ARG_LANGS})
       qt5_create_translation(qm
-          "${PROJECT_SOURCE_DIR}/include"
-          "${PROJECT_SOURCE_DIR}/src"
-          "${PROJECT_SOURCE_DIR}/l10n/${NAME}_${iter}.ts")
+        "${PROJECT_SOURCE_DIR}/include"
+        "${PROJECT_SOURCE_DIR}/src"
+        "${PROJECT_SOURCE_DIR}/l10n/${NAME}_${iter}.ts")
       target_sources(${NAME} PRIVATE ${qm})
     endforeach()
     unset(qm)
@@ -67,9 +67,11 @@ function(myx_qt5_target_setup NAME)
   target_sources(${NAME} PRIVATE ${ARG_PUBLIC_MOC} ${ARG_PRIVATE_MOC} ${moc_cpp} ${ui_h} ${qrc_cpp})
 
   # Установка публичных заголовочных файлов
-  install_relative(${PROJECT_SOURCE_DIR}
-    FILES ${ARG_PUBLIC_MOC}
-    DESTINATION ${CMAKE_INSTALL_PREFIX}
-    COMPONENT dev
-   )
+  if(PROJECT_IS_TOP_LEVEL)
+    install_relative(${PROJECT_SOURCE_DIR}
+      FILES ${ARG_PUBLIC_MOC}
+      DESTINATION ${CMAKE_INSTALL_PREFIX}
+      COMPONENT dev
+     )
+  endif()
 endfunction()
diff --git a/lib/TargetSetup.cmake b/lib/TargetSetup.cmake
index 8015868..8320209 100644
--- a/lib/TargetSetup.cmake
+++ b/lib/TargetSetup.cmake
@@ -76,9 +76,11 @@ function(myx_target_setup NAME)
   target_compile_definitions(${NAME} PRIVATE ${ARG_COMPILE_DEFINITIONS})
 
   # Установка публичных заголовочных файлов
-  install_relative(${PROJECT_SOURCE_DIR}
-    FILES ${ARG_PUBLIC_HEADERS}
-    DESTINATION ${CMAKE_INSTALL_PREFIX}
-    COMPONENT dev
-   )
+  if(PROJECT_IS_TOP_LEVEL)
+    install_relative(${PROJECT_SOURCE_DIR}
+      FILES ${ARG_PUBLIC_HEADERS}
+      DESTINATION ${CMAKE_INSTALL_PREFIX}
+      COMPONENT dev
+    )
+  endif()
 endfunction()