diff --git a/CMakeLists.txt b/CMakeLists.txt
index 931e280..f6da225 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,10 +1,6 @@
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.9)
 project(aws-c-iot C)
 
-if (POLICY CMP0069)
-    cmake_policy(SET CMP0069 NEW) # Enable LTO/IPO if available in the compiler, see AwsCFlags
-endif()
-
 option(USE_EXTERNAL_DEPS_SOURCES "Use dependencies provided by add_subdirectory command" OFF)
 
 if (DEFINED CMAKE_PREFIX_PATH)