diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index cfa70731534862..7a04c5f9bad825 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -65,6 +65,10 @@ function(llama_target_and_test source)
     set_property(TEST ${TEST_TARGET} PROPERTY LABELS ${LLAMA_TEST_LABEL})
 endfunction()
 
+if (WIN32)
+    add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
+endif()
+
 # build test-tokenizer-0 target once and add many tests
 add_executable(test-tokenizer-0 test-tokenizer-0.cpp)
 target_link_libraries(test-tokenizer-0 PRIVATE common)