diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7fdd7ddbd..f189c472c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,6 +9,15 @@ project(QtImageFormats # special case
     HOMEPAGE_URL "https://qt.io/"
     LANGUAGES CXX C
 )
-
+find_package(Threads)
+set_property(TARGET Threads::Threads PROPERTY _qt_no_promote_global TRUE)
+find_package(ZLIB)
+if(TARGET ZLIB::ZLIB)
+	set_property(TARGET ZLIB::ZLIB PROPERTY _qt_no_promote_global TRUE)
+endif()
+find_package(JPEG)
+if(TARGET JPEG::JPEG)
+	set_property(TARGET JPEG::JPEG PROPERTY _qt_no_promote_global TRUE)
+endif()
 find_package(Qt6 ${PROJECT_VERSION} CONFIG REQUIRED COMPONENTS BuildInternals Core) # special case
 find_package(Qt6 ${PROJECT_VERSION} QUIET CONFIG OPTIONAL_COMPONENTS Gui) # special case