diff --git a/.gitignore b/.gitignore
index d8dd7d84f58196b01eca55121e9856ab554fccbc..08694f23ab4b64a41130cb7a4249ee5b54195576 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ obj_dir
 src/cpptb/params.h
 src/rtl/params.vh
 firmware/include/defines.h
+src/py/__pycache__/