diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6997d7e5..cff21dec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,6 +16,10 @@
 
 cmake_minimum_required(VERSION 3.10)
 
+if (NOT (CMAKE_VERSION VERSION_LESS "3.14"))
+    cmake_policy(SET CMP0091 NEW)
+endif ()
+
 set(PACKAGE_BUGREPORT
     "http://github.com/GoogleCloudPlatform/functions-framework-cpp")
 project(
@@ -30,6 +34,12 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 
+if (VCPKG_TARGET_TRIPLET MATCHES "-static$")
+    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+else ()
+    set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
+endif ()
+
 include(CTest)
 include(FunctionsFrameworkCppHelpers)
 add_subdirectory(google/cloud/functions)
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 3dea62a6..3d98f9c4 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -63,6 +63,7 @@ functions_framework_cpp_add_common_options(functions_framework_examples)
 if (MSVC)
     set_property(
         SOURCE site/tips_gcp_apis/tips_gcp_apis.cc site/env_vars/env_vars.cc
+               site/tutorial_cloud_spanner/tutorial_cloud_spanner.cc
         APPEND
         PROPERTY COMPILE_DEFINITIONS _CRT_SECURE_NO_WARNINGS)
 endif ()
diff --git a/examples/site/testing_pubsub/CMakeLists.txt b/examples/site/testing_pubsub/CMakeLists.txt
index e1484a3d..3f2fdb02 100644
--- a/examples/site/testing_pubsub/CMakeLists.txt
+++ b/examples/site/testing_pubsub/CMakeLists.txt
@@ -50,4 +50,10 @@ if (BUILD_TESTING)
     target_link_libraries(
         pubsub_system_test PRIVATE google-cloud-cpp::pubsub fmt::fmt Boost::log
                                    GTest::gmock_main GTest::gmock GTest::gtest)
+    if (MSVC)
+        set_property(
+            SOURCE pubsub_system_test.cc
+            APPEND
+            PROPERTY COMPILE_DEFINITIONS _CRT_SECURE_NO_WARNINGS)
+    endif ()
 endif ()
diff --git a/examples/site/testing_storage/CMakeLists.txt b/examples/site/testing_storage/CMakeLists.txt
index 5860d6bf..05db0e88 100644
--- a/examples/site/testing_storage/CMakeLists.txt
+++ b/examples/site/testing_storage/CMakeLists.txt
@@ -50,4 +50,10 @@ if (BUILD_TESTING)
         storage_system_test
         PRIVATE google-cloud-cpp::storage fmt::fmt Boost::log GTest::gmock_main
                 GTest::gmock GTest::gtest)
+    if (MSVC)
+        set_property(
+            SOURCE storage_system_test.cc
+            APPEND
+            PROPERTY COMPILE_DEFINITIONS _CRT_SECURE_NO_WARNINGS)
+    endif ()
 endif ()
diff --git a/examples/site_test.cc b/examples/site_test.cc
index 288d13ff..b9e26935 100644
--- a/examples/site_test.cc
+++ b/examples/site_test.cc
@@ -128,7 +128,7 @@ lUtj+/nH3HDQjM4ltYfTPUg=
   std::ofstream(filename) << keyfile.dump() << "\n";
 
   google::cloud::functions_internal::SetEnv("GOOGLE_APPLICATION_CREDENTIALS",
-                                            filename);
+                                            filename.string());
   EXPECT_THROW(bearer_token(gcf::HttpRequest{}), std::exception);
 
   EXPECT_NO_THROW(
diff --git a/google/cloud/functions/internal/base64_decode.cc b/google/cloud/functions/internal/base64_decode.cc
index 038cb47e..38c9a721 100644
--- a/google/cloud/functions/internal/base64_decode.cc
+++ b/google/cloud/functions/internal/base64_decode.cc
@@ -15,6 +15,7 @@
 #include "google/cloud/functions/internal/base64_decode.h"
 #include <boost/archive/iterators/binary_from_base64.hpp>
 #include <boost/archive/iterators/transform_width.hpp>
+#include <stdexcept>
 
 namespace google::cloud::functions_internal {
 inline namespace FUNCTIONS_FRAMEWORK_CPP_NS {