diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3028fc1..8be94ef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
-# Support version 3.1 and above, but use policy settings up to 3.14.
-cmake_minimum_required(VERSION 3.1...3.14)
-# Ranges are supported from 3.12, set policy to current for 3.1 - 3.11.
+# Support version 3.6 and above, but use policy settings up to 3.14.
+# 3.6 is needed because of IMPORTED_TARGET in pkg_check_modules().
+cmake_minimum_required(VERSION 3.6...3.14)
+# Ranges are supported from 3.12, set policy to current for < 3.12.
 if(${CMAKE_VERSION} VERSION_LESS 3.12)
   cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
 endif()