diff --git a/requirements.txt b/requirements.txt
index 35842d7..2341e66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ roma==1.5.3
 imageio[pyav]
 imageio[ffmpeg]
 lmdb==1.6.2
-open3d=0.19.0
+open3d==0.19.0
 plyfile==1.0.3
 omegaconf==2.3.0
 colored==2.3.0