diff --git a/pathtracer/Cargo.toml b/pathtracer/Cargo.toml
index 4bd7077..f80ec3b 100644
--- a/pathtracer/Cargo.toml
+++ b/pathtracer/Cargo.toml
@@ -28,7 +28,7 @@ rand = "0.7"
 rayon = "1.3.0"
 serde_yaml = "0.8"
 structopt = "0.3"
-tobj = "0.1"
+tobj = "1.0"
 
 [dependencies.nalgebra]
 version = "0.20.0"