diff --git a/.gitignore b/.gitignore
index 594a6a8..9f1ac83 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,6 +17,7 @@ Testing/
 *.log
 __pycache__/
 *.pyc
+*.h5
 
 # local Harness configuration and build outputs
 .harness/config.json