diff --git a/.gitignore b/.gitignore
index c17024a..63289bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,9 @@ ext/pytorch3d
 ext/kaolin
 ext/PIXIE
 ext/diff_gaussian_rasterization_hair/third_party
+ext/hyperIQA
+ext/simple-knn
+ext/glm
 
 # Visual Studio Code files
 .vscode