diff --git a/nodes/main/comfy-env.toml b/nodes/main/comfy-env.toml
index 3575ccbc..9eeadc0d 100644
--- a/nodes/main/comfy-env.toml
+++ b/nodes/main/comfy-env.toml
@@ -10,7 +10,7 @@ scipy = ">=1.7.0"
 tqdm = ">=4.60.0"
 requests = ">=2.25.0"
 trimesh = { version = ">=4.0.0", extras = ["easy"] }
-libigl = ">=2.6.1"
+libigl = "==2.6.1"
 pymeshlab = ">=2025.7"
 rtree = "*"
 point-cloud-utils = ">=0.30.0"