diff --git a/evmchains/chains.py b/evmchains/chains.py
index 9af880a..538b5d5 100644
--- a/evmchains/chains.py
+++ b/evmchains/chains.py
@@ -1,5 +1,5 @@
 # This file is auto-generated by scripts/update.py
-# 2024-07-03 20:26:21.491217
+# 2024-09-05 18:21:01.387852
 # Do not edit this file directly.
 from typing import Any, Dict
 
@@ -528,13 +528,11 @@
             "rpc": [
                 "https://rpc.sepolia.org",
                 "https://rpc2.sepolia.org",
-                "https://rpc-sepolia.rockx.com",
                 "https://rpc.sepolia.ethpandaops.io",
                 "https://sepolia.infura.io/v3/${INFURA_API_KEY}",
                 "https://sepolia.gateway.tenderly.co",
                 "https://ethereum-sepolia-rpc.publicnode.com",
                 "https://sepolia.drpc.org",
-                "https://rpc-sepolia.rockx.com",
             ],
             "shortName": "sep",
             "slip44": 1,
@@ -892,7 +890,7 @@
             "icon": "polygon",
             "infoURL": "https://polygon.technology/",
             "name": "Polygon Mainnet",
-            "nativeCurrency": {"decimals": 18, "name": "MATIC", "symbol": "MATIC"},
+            "nativeCurrency": {"decimals": 18, "name": "POL", "symbol": "POL"},
             "networkId": 137,
             "rpc": [
                 "https://polygon-rpc.com/",
@@ -905,7 +903,7 @@
                 "https://polygon.gateway.tenderly.co",
                 "https://polygon.drpc.org",
             ],
-            "shortName": "matic",
+            "shortName": "pol",
             "slip44": 966,
         },
         "mumbai": {
diff --git a/scripts/update.py b/scripts/update.py
index 1d68f34..23c31a4 100644
--- a/scripts/update.py
+++ b/scripts/update.py
@@ -17,7 +17,9 @@
 CHAIN_CONST_FILE = Path(__file__).parent.parent / "evmchains" / "chains.py"
 BLACKLIST_STRINGS = [
     # 2024-01-19: Node appears to be broken.  Returning errors on simple requests.
-    "rpc.blocknative.com"
+    "rpc.blocknative.com",
+    # 2024-09-05: Node returning 504s for days.
+    "rpc-sepolia.rockx.com",
 ]
 
 # Mapping of Ape ecosystem:network to chain IDs. These are the chains that we will be fetching.