diff --git a/_data/simple-icons.json b/_data/simple-icons.json
index fd173c83e..7d757cf68 100644
--- a/_data/simple-icons.json
+++ b/_data/simple-icons.json
@@ -4830,7 +4830,10 @@
         {
             "title": "Material Design Icons",
             "hex": "2196F3",
-            "source": "https://materialdesignicons.com/icon/vector-square"
+            "source": "https://materialdesignicons.com/icon/vector-square",
+            "license": {
+                "type": "Apache-2.0"
+            }
         },
         {
             "title": "Material-UI",