diff --git a/history/LATEST.json b/history/LATEST.json
index 9ac0f2623..3917b5c1e 100644
--- a/history/LATEST.json
+++ b/history/LATEST.json
@@ -1,5 +1,5 @@
 {
-    "versionNum": 520,
-    "commit": "fe4e31ef2df6dbc9c2daf0de57d0f3c47a87ab60",
-    "date": "2021-04-13T14:17:23.935Z"
+    "versionNum": 521,
+    "commit": "e0472a05d9498fa1405afff3ed01b8c1f63a5bd7",
+    "date": "2021-04-13T14:29:46.712Z"
 }
\ No newline at end of file
diff --git a/history/versions/521.json b/history/versions/521.json
new file mode 100644
index 000000000..c7a6296f5
--- /dev/null
+++ b/history/versions/521.json
@@ -0,0 +1,17 @@
+{
+    "versionEnd": {
+        "versionNum": 521,
+        "commit": "e0472a05d9498fa1405afff3ed01b8c1f63a5bd7",
+        "date": "2021-04-13T14:29:46.712Z"
+    },
+    "versionStart": {
+        "versionNum": 520,
+        "commit": "fe4e31ef2df6dbc9c2daf0de57d0f3c47a87ab60",
+        "date": "2021-04-13T14:17:23.935Z"
+    },
+    "changes": [
+        "blockchains/smartchain/allowlist.json",
+        "blockchains/smartchain/assets/0xCed0CE92F4bdC3c2201E255FAF12f05cf8206dA8/info.json",
+        "blockchains/smartchain/assets/0xCed0CE92F4bdC3c2201E255FAF12f05cf8206dA8/logo.png"
+    ]
+}
\ No newline at end of file