diff --git a/apps/connect/.env.production b/apps/connect/.env.production
index b7a5ba73..3a047b91 100644
--- a/apps/connect/.env.production
+++ b/apps/connect/.env.production
@@ -1,5 +1,5 @@
 # VITE_HYPERGRAPH_SYNC_SERVER_ORIGIN="https://syncserver.hypergraph.thegraph.com"
-VITE_HYPERGRAPH_SYNC_SERVER_ORIGIN="https://hypergraph.fly.dev"
+VITE_HYPERGRAPH_SYNC_SERVER_ORIGIN="https://hypergraph-sync.up.railway.app"
 VITE_HYPERGRAPH_CHAIN="geo-testnet"
 VITE_HYPERGRAPH_RPC_URL="https://rpc-geo-test-zc16z3tcvf.t.conduit.xyz"
 VITE_PRIVY_APP_ID="cmcccikza007bjy0niawgutl0"
diff --git a/docs/docs/providers.md b/docs/docs/providers.md
index e3f1fcdf..96353a83 100644
--- a/docs/docs/providers.md
+++ b/docs/docs/providers.md
@@ -18,7 +18,7 @@ const App = () => {
 
 It has one mandatory prop: `mapping`. This is the mapping of your schema to the public Knowledge Graph schema. You can find more information about the mapping in the [Mapping](/docs/mapping) section later.
 
-Further it has an optional prop: `syncServerUri`. This is the URL of the sync server. By default it is set to `https://hypergraph.fly.dev`.
+Further it has an optional prop: `syncServerUri`. This is the URL of the sync server. By default it is set to `https://hypergraph-sync.up.railway.app`.
 
 ## useHypergraphApp
 
diff --git a/packages/hypergraph-react/CHANGELOG.md b/packages/hypergraph-react/CHANGELOG.md
index 67879e4b..21efe93a 100644
--- a/packages/hypergraph-react/CHANGELOG.md
+++ b/packages/hypergraph-react/CHANGELOG.md
@@ -6,6 +6,7 @@
 - dd4746a: remove unsupported dataType Url
 - fd0a13f: extract Mapping to @graphprotocol/typesync
 - 114d743: breaking changes of the authentication flow to improve security and fix invitations
+- Update the default syncServerUri to https://hypergraph-sync.up.railway.app
 - Updated dependencies [dd4746a]
 - Updated dependencies [fd0a13f]
 - Updated dependencies [114d743]
diff --git a/packages/hypergraph-react/src/HypergraphAppContext.tsx b/packages/hypergraph-react/src/HypergraphAppContext.tsx
index 06ae3259..f575ee93 100644
--- a/packages/hypergraph-react/src/HypergraphAppContext.tsx
+++ b/packages/hypergraph-react/src/HypergraphAppContext.tsx
@@ -238,7 +238,7 @@ const mockStorage = {
 //      (and store it in the sync server)
 export function HypergraphAppProvider({
   storage = typeof window !== 'undefined' ? localStorage : mockStorage,
-  syncServerUri = 'https://hypergraph.fly.dev',
+  syncServerUri = 'https://hypergraph-sync.up.railway.app',
   chainId = Connect.GEO_TESTNET.id,
   appId,
   children,