diff --git a/pw_cpu_exception_cortex_m/py/pw_cpu_exception_cortex_m/py.typed b/pw_cpu_exception_cortex_m/py/pw_cpu_exception_cortex_m/py.typed
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/pw_cpu_exception_cortex_m/py/pw_cpu_exception_cortex_m/py.typed