diff --git a/components/EntropyDeployments.tsx b/components/EntropyDeployments.tsx
index f57b39af..5405a059 100644
--- a/components/EntropyDeployments.tsx
+++ b/components/EntropyDeployments.tsx
@@ -154,7 +154,7 @@ export const EntropyDeployments: Record<string, EntropyDeployment> = {
     nativeCurrency: "ETH",
   },
   "optimism-sepolia": {
-    rpc: "https://sepolia.optimism.io",
+    rpc: "https://api.zan.top/opt-sepolia",
     network: "testnet",
     delay: "",
     address: "0x4821932D0CDd71225A6d914706A621e0389D7061",
@@ -348,7 +348,7 @@ export const EntropyDeployments: Record<string, EntropyDeployment> = {
     delay: "",
     gasLimit: "500K",
     network: "testnet",
-    rpc: "https://sanko-arb-sepolia.rpc.caldera.xyz",
+    rpc: "https://sanko-arb-sepolia.rpc.caldera.xyz/http",
     nativeCurrency: "DMT",
   },
   apechain: {
@@ -357,7 +357,7 @@ export const EntropyDeployments: Record<string, EntropyDeployment> = {
     delay: "1 block",
     gasLimit: "500K",
     network: "mainnet",
-    rpc: "https://curtis.hub.caldera.xyz/",
+    rpc: "https://apechain.calderachain.xyz/http",
     nativeCurrency: "APE",
   },
   "abstract-testnet": {