--- a/Build_iOS/CMakeLists.txt
+++ b/Build_iOS/CMakeLists.txt
@@ -1,5 +1,5 @@
 project(casablanca-ios NONE)
-cmake_minimum_required(VERSION 3.9)
+cmake_minimum_required(VERSION 3.10)
 
 enable_testing()
 
--- a/Release/CMakeLists.txt
+++ b/Release/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(CMAKE_LEGACY_CYGWIN_WIN32 0)
-cmake_minimum_required(VERSION 3.9)
+cmake_minimum_required(VERSION 3.10)
 if(POLICY CMP0042)
   cmake_policy(SET CMP0042 NEW) # use MACOSX_RPATH
 endif()
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9)
+cmake_minimum_required(VERSION 3.10)
 project(cpprestsdk-root NONE)
 enable_testing()
 add_subdirectory(Release)