diff --git a/.gitignore b/.gitignore
index 2781dd2..9387b50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 # key/cert files
 *.p15
 *.pem
+
+# ignore test_data folder
+/test_data
\ No newline at end of file