diff --git a/d2lib/items_data/magic_attrs.json b/d2lib/items_data/magic_attrs.json
index 72404fc..e4a9549 100644
--- a/d2lib/items_data/magic_attrs.json
+++ b/d2lib/items_data/magic_attrs.json
@@ -306,6 +306,14 @@
         "bias": 0,
         "is_invisible": false
     },
+    "51": {
+        "bits": [
+            10
+        ],
+        "name": "+{} to Maximum Lightning Damage",
+        "bias": 0,
+        "is_invisible": false
+    },
     "52": {
         "bits": [
             8,
@@ -325,6 +333,14 @@
         "bias": 0,
         "is_invisible": false
     },
+    "55": {
+        "bits": [
+            9
+        ],
+        "name": "+{} to Maximum Cold Damage",
+        "bias": 0,
+        "is_invisible": false
+    },
     "57": {
         "bits": [
             10,