diff --git a/CMakeLists.txt b/CMakeLists.txt
index d54636a..a43ac33 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@ endif()
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG -D_DEBUG -DFEATURE_ASSERTS_ENABLED")
-set(CMAKE_OSX_DEPLOYMENT_TARGET 10.11)
+set(CMAKE_OSX_DEPLOYMENT_TARGET 10.13)
 
 if (WIN32)
     # Define _SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING to disable the warnings in the current version of Google Test (1.8.0)
diff --git a/GLTFSDK.TestUtils/CMakeLists.txt b/GLTFSDK.TestUtils/CMakeLists.txt
index a25fb9f..23dc036 100644
--- a/GLTFSDK.TestUtils/CMakeLists.txt
+++ b/GLTFSDK.TestUtils/CMakeLists.txt
@@ -4,7 +4,7 @@ project (GLTFSDK.TestUtils)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG -D_DEBUG -DFEATURE_ASSERTS_ENABLED")
-set(CMAKE_OSX_DEPLOYMENT_TARGET 10.11)
+set(CMAKE_OSX_DEPLOYMENT_TARGET 10.13)
 
 add_library(GLTFSDK.TestUtils INTERFACE IMPORTED GLOBAL)
 set_target_properties(GLTFSDK.TestUtils PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_LIST_DIR}")