diff --git a/.changeset/ninety-candles-perform.md b/.changeset/ninety-candles-perform.md
new file mode 100644
index 0000000000..e73018e363
--- /dev/null
+++ b/.changeset/ninety-candles-perform.md
@@ -0,0 +1,8 @@
+---
+"create-fuels": patch
+"@internal/fuel-core": patch
+"@fuel-ts/versions": patch
+"@fuel-ts/account": patch
+---
+
+chore: upgrading `fuel-core` to `0.31.0`
diff --git a/internal/fuel-core/VERSION b/internal/fuel-core/VERSION
index c25c8e5b74..26bea73e81 100644
--- a/internal/fuel-core/VERSION
+++ b/internal/fuel-core/VERSION
@@ -1 +1 @@
-0.30.0
+0.31.0
diff --git a/packages/account/src/account.test.ts b/packages/account/src/account.test.ts
index 9bdaf53fcd..98ce2e8896 100644
--- a/packages/account/src/account.test.ts
+++ b/packages/account/src/account.test.ts
@@ -73,7 +73,7 @@ describe('Account', () => {
     expect(assetC?.amount.gt(1)).toBeTruthy();
   });
 
-  it('should throw if coins length is higher than 9999', async () => {
+  it('should throw if coins length is higher than 512', async () => {
     const dummyCoins: Coin[] = new Array(10000);
 
     vi.spyOn(Provider.prototype, 'getCoins').mockImplementation(async () =>
@@ -96,7 +96,7 @@ describe('Account', () => {
 
     expect(result).toBeUndefined();
     expect((<Error>error).message).toEqual(
-      'Wallets containing more than 9999 coins exceed the current supported limit.'
+      'Wallets containing more than 512 coins exceed the current supported limit.'
     );
   });
 
@@ -139,7 +139,7 @@ describe('Account', () => {
     expect(messages.length).toEqual(1);
   });
 
-  it('should throw if messages length is higher than 9999', async () => {
+  it('should throw if messages length is higher than 512', async () => {
     const dummyMessages: Message[] = new Array(10000);
 
     vi.spyOn(Provider.prototype, 'getMessages').mockImplementation(async () =>
@@ -162,7 +162,7 @@ describe('Account', () => {
 
     expect(result).toBeUndefined();
     expect((<Error>error).message).toEqual(
-      'Wallets containing more than 9999 messages exceed the current supported limit.'
+      'Wallets containing more than 512 messages exceed the current supported limit.'
     );
   });
 
diff --git a/packages/account/src/account.ts b/packages/account/src/account.ts
index 2da178ef22..6e4117da77 100644
--- a/packages/account/src/account.ts
+++ b/packages/account/src/account.ts
@@ -151,7 +151,7 @@ export class Account extends AbstractAccount {
   async getCoins(assetId?: BytesLike): Promise<Coin[]> {
     const coins = [];
 
-    const pageSize = 9999;
+    const pageSize = 512;
     let cursor;
     // eslint-disable-next-line no-unreachable-loop
     for (;;) {
@@ -185,7 +185,7 @@ export class Account extends AbstractAccount {
   async getMessages(): Promise<Message[]> {
     const messages = [];
 
-    const pageSize = 9999;
+    const pageSize = 512;
     let cursor;
     // eslint-disable-next-line no-unreachable-loop
     for (;;) {
diff --git a/packages/account/src/providers/fuel-core-schema.graphql b/packages/account/src/providers/fuel-core-schema.graphql
index 577a9bd765..dca24b863a 100644
--- a/packages/account/src/providers/fuel-core-schema.graphql
+++ b/packages/account/src/providers/fuel-core-schema.graphql
@@ -1,3 +1,19 @@
+"""
+Indicates that an Input Object is a OneOf Input Object (and thus requires
+                        exactly one of its field be provided)
+"""
+directive @oneOf on INPUT_OBJECT
+
+"""
+Provides a scalar specification URL for specifying the behavior of custom scalar types.
+"""
+directive @specifiedBy(
+  """
+  URL that specifies the behavior of this scalar.
+  """
+  url: String!
+) on SCALAR
+
 scalar Address
 
 scalar AssetId
@@ -30,14 +46,14 @@ An edge in a connection.
 """
 type BalanceEdge {
   """
-  A cursor for use in pagination
+  The item at the end of the edge
   """
-  cursor: String!
+  node: Balance!
 
   """
-  The item at the end of the edge
+  A cursor for use in pagination
   """
-  node: Balance!
+  cursor: String!
 }
 
 input BalanceFilterInput {
@@ -53,6 +69,7 @@ type Block {
   height: U32!
   header: Header!
   consensus: Consensus!
+  transactionIds: [TransactionId!]!
   transactions: [Transaction!]!
 }
 
@@ -78,14 +95,14 @@ An edge in a connection.
 """
 type BlockEdge {
   """
-  A cursor for use in pagination
+  The item at the end of the edge
   """
-  cursor: String!
+  node: Block!
 
   """
-  The item at the end of the edge
+  A cursor for use in pagination
   """
-  node: Block!
+  cursor: String!
 }
 
 scalar BlockId
@@ -157,14 +174,14 @@ An edge in a connection.
 """
 type CoinEdge {
   """
-  A cursor for use in pagination
+  The item at the end of the edge
   """
-  cursor: String!
+  node: Coin!
 
   """
-  The item at the end of the edge
+  A cursor for use in pagination
   """
-  node: Coin!
+  cursor: String!
 }
 
 input CoinFilterInput {
@@ -249,14 +266,14 @@ An edge in a connection.
 """
 type ContractBalanceEdge {
   """
-  A cursor for use in pagination
+  The item at the end of the edge
   """
-  cursor: String!
+  node: ContractBalance!
 
   """
-  The item at the end of the edge
+  A cursor for use in pagination
   """
-  node: ContractBalance!
+  cursor: String!
 }
 
 input ContractBalanceFilterInput {
@@ -332,6 +349,7 @@ input ExcludeInput {
 
 type FailureStatus {
   transactionId: TransactionId!
+  blockHeight: U32!
   block: Block!
   time: Tai64Timestamp!
   reason: String!
@@ -672,14 +690,14 @@ An edge in a connection.
 """
 type MessageEdge {
   """
-  A cursor for use in pagination
+  The item at the end of the edge
   """
-  cursor: String!
+  node: Message!
 
   """
-  The item at the end of the edge
+  A cursor for use in pagination
   """
-  node: Message!
+  cursor: String!
 }
 
 type MessageProof {
@@ -1222,6 +1240,7 @@ type Subscription {
 
 type SuccessStatus {
   transactionId: TransactionId!
+  blockHeight: U32!
   block: Block!
   time: Tai64Timestamp!
   programState: ProgramState
@@ -1294,14 +1313,14 @@ An edge in a connection.
 """
 type TransactionEdge {
   """
-  A cursor for use in pagination
+  The item at the end of the edge
   """
-  cursor: String!
+  node: Transaction!
 
   """
-  The item at the end of the edge
+  A cursor for use in pagination
   """
-  node: Transaction!
+  cursor: String!
 }
 
 scalar TransactionId
diff --git a/packages/account/src/providers/provider.test.ts b/packages/account/src/providers/provider.test.ts
index 7edd8da243..ed70bc27c7 100644
--- a/packages/account/src/providers/provider.test.ts
+++ b/packages/account/src/providers/provider.test.ts
@@ -63,7 +63,7 @@ describe('Provider', () => {
 
     const version = await provider.getVersion();
 
-    expect(version).toEqual('0.30.0');
+    expect(version).toEqual('0.31.0');
   });
 
   it('can call()', async () => {
diff --git a/packages/versions/src/lib/getBuiltinVersions.ts b/packages/versions/src/lib/getBuiltinVersions.ts
index e1c32a8a1d..b1d650e498 100644
--- a/packages/versions/src/lib/getBuiltinVersions.ts
+++ b/packages/versions/src/lib/getBuiltinVersions.ts
@@ -1,7 +1,7 @@
 export function getBuiltinVersions() {
   return {
     FORC: '0.61.2',
-    FUEL_CORE: '0.30.0',
+    FUEL_CORE: '0.31.0',
     FUELS: '0.91.0',
   };
 }
diff --git a/templates/nextjs/sway-programs/fuel-toolchain.toml b/templates/nextjs/sway-programs/fuel-toolchain.toml
index ec0869e869..04eec7eea3 100644
--- a/templates/nextjs/sway-programs/fuel-toolchain.toml
+++ b/templates/nextjs/sway-programs/fuel-toolchain.toml
@@ -3,4 +3,4 @@ channel = "testnet"
 
 [components]
 forc = "0.61.2"
-fuel-core = "0.30.0"
+fuel-core = "0.31.0"