diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 34a2da8b..ae2e219c 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -56,7 +56,7 @@ set(UCXX_BUILD_TESTS ${BUILD_TESTS})
 set(UCXX_BUILD_BENCHMARKS ${BUILD_BENCHMARKS})
 set(UCXX_BUILD_EXAMPLES ${BUILD_EXAMPLES})
 
-set(UCXX_CXX_FLAGS "-Wall" "-Wattributes" "-Werror")
+set(UCXX_CXX_FLAGS "-Wall" "-Wattributes" "-Werror" "-Wextra" "-Wsign-conversion" "-Wno-missing-field-initializers")
 set(UCXX_CXX_DEFINITIONS "")
 
 # Set RMM logging level