diff --git a/.gitignore b/.gitignore
index ef7dd0f..665af3a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,4 +41,7 @@ vulkan_asset_pack_gltf.zip
 *.zip
 
 # vscode build file
-build/
\ No newline at end of file
+build/
+
+# output image 
+*.ppm
\ No newline at end of file