diff --git a/binding.gyp b/binding.gyp
index bd26332e..39826f4a 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -7,11 +7,13 @@
                 "-fexceptions",
                 "-Wno-unknown-pragmas",
                 "-Wno-maybe-uninitialized",
+                "-Wpass=transform-warning"
             ],
             "cflags_cc": [
                 "-fexceptions",
                 "-Wno-unknown-pragmas",
                 "-Wno-maybe-uninitialized",
+                "-Wpass=transform-warning",
                 "-std=c++17",
             ],
             "include_dirs": [
diff --git a/setup.py b/setup.py
index 66abeef7..6dc5cab4 100644
--- a/setup.py
+++ b/setup.py
@@ -55,6 +55,7 @@ def get_bool_env_w_name(name: str, preference: bool) -> tuple:
     compile_args.append("-std=c++17")
     compile_args.append("-O3")  # Maximize performance
     compile_args.append("-ffast-math")  # Maximize floating-point performance
+    compile_args.append("-Wpass-failed=transform-warning")
     compile_args.append("-Wno-unknown-pragmas")
     compile_args.append("-fdiagnostics-color=always")
 
@@ -83,6 +84,7 @@ def get_bool_env_w_name(name: str, preference: bool) -> tuple:
     compile_args.append("-O3")  # Maximize performance
     compile_args.append("-ffast-math")  # Maximize floating-point performance
     compile_args.append("-fcolor-diagnostics")
+    compile_args.append("-Wpass-failed=transform-warning")
     compile_args.append("-Wno-unknown-pragmas")
 
     # Simplify debugging, but the normal `-g` may make builds much longer!