diff --git a/extern/ftest b/extern/ftest
index 9c7e60c..bf75576 160000
--- a/extern/ftest
+++ b/extern/ftest
@@ -1 +1 @@
-Subproject commit 9c7e60cc1b7c76f59e2ffbbc3dad15bafc5cdac5
+Subproject commit bf75576064fce2e07f52cd63a3e410f12358728b
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 4063df7..2662004 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -19,6 +19,10 @@ target_link_libraries(cpp17 PRIVATE utf8::cpp)
 target_link_libraries(apitests PRIVATE utf8::cpp)
 target_link_libraries(noexceptionstests PRIVATE utf8::cpp)
 
+target_compile_options(${PROJECT_NAME} INTERFACE
+  $<$<CXX_COMPILER_ID:MSVC>:/W4>
+  $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wall -Wextra -Wpedantic>)
+
 target_compile_options(noexceptionstests PUBLIC -fno-exceptions)
 
 set_target_properties(negative apitests noexceptionstests