diff --git a/filaments/elegoo.json b/filaments/elegoo.json
index 0ffc707..c414f33 100644
--- a/filaments/elegoo.json
+++ b/filaments/elegoo.json
@@ -67,7 +67,7 @@
     {
       "name": "PETG PRO {color_name}",
       "material": "PETG",
-      "density": 1.29,
+      "density": 1.27,
       "weights": [
         {
           "weight": 1000,