diff --git a/.changeset/heavy-fishes-whisper.md b/.changeset/heavy-fishes-whisper.md
new file mode 100644
index 000000000..572ab9433
--- /dev/null
+++ b/.changeset/heavy-fishes-whisper.md
@@ -0,0 +1,5 @@
+---
+"@usedapp/core": patch
+---
+
+Update Base RPC url
diff --git a/packages/core/src/model/chain/base.ts b/packages/core/src/model/chain/base.ts
index 249173e1d..f31e6c063 100644
--- a/packages/core/src/model/chain/base.ts
+++ b/packages/core/src/model/chain/base.ts
@@ -28,7 +28,7 @@ export const Base: Chain = {
   isTestChain: false,
   isLocalChain: false,
   multicallAddress: '0x38641b7a50CDcfde75a7A83eB7c02581F3279362',
-  rpcUrl: 'https://base.org',
+  rpcUrl: 'https://mainnet.base.org',
   nativeCurrency: {
     name: 'Ether',
     symbol: 'ETH',