diff --git a/tools/pycert_bearssl/.gitignore b/tools/pycert_bearssl/.gitignore
new file mode 100644
index 0000000..ed8ebf5
--- /dev/null
+++ b/tools/pycert_bearssl/.gitignore
@@ -0,0 +1 @@
+__pycache__
\ No newline at end of file