diff --git a/.gitignore b/.gitignore
index 6ace7c70c..81f72621f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -64,3 +64,6 @@ bw-output/
 # standalone executable for testing
 emsesp
 interface/tsconfig.tsbuildinfo
+
+# python virtual environment
+venv/