diff --git a/gtsam/3rdparty/metis/CMakeLists.txt b/gtsam/3rdparty/metis/CMakeLists.txt
index de46165ff..dc26aecb2 100644
--- a/gtsam/3rdparty/metis/CMakeLists.txt
+++ b/gtsam/3rdparty/metis/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.0)
 project(METIS)
 
 # Add flags for currect directory and below
diff --git a/gtsam/3rdparty/metis/libmetis/CMakeLists.txt b/gtsam/3rdparty/metis/libmetis/CMakeLists.txt
index 330e989fa..92f931b98 100644
--- a/gtsam/3rdparty/metis/libmetis/CMakeLists.txt
+++ b/gtsam/3rdparty/metis/libmetis/CMakeLists.txt
@@ -12,6 +12,7 @@ endif()
 if(WIN32)
 		set_target_properties(metis-gtsam PROPERTIES
 			PREFIX ""
+			COMPILE_FLAGS /w
 			RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/../../../bin")
 endif()