diff --git a/.gitignore b/.gitignore
index 1514875b3355..747ad4353159 100644
--- a/.gitignore
+++ b/.gitignore
@@ -53,6 +53,7 @@ src/test_*.s
 tools/objc/BUILD
 tools/objc/*.mobileprovision
 *.xcworkspacedata
+__pycache__
 
 
 *.txt.user*