diff --git a/packages/ethash/vite.config.ts b/packages/ethash/vite.config.ts
new file mode 100644
index 0000000000..355a980bf3
--- /dev/null
+++ b/packages/ethash/vite.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    testTimeout: 120_000,
+  },
+})
diff --git a/packages/evm/test/precompiles/09-blake2f.spec.ts b/packages/evm/test/precompiles/09-blake2f.spec.ts
index 5eb045139f..5dd3235c8a 100644
--- a/packages/evm/test/precompiles/09-blake2f.spec.ts
+++ b/packages/evm/test/precompiles/09-blake2f.spec.ts
@@ -108,7 +108,7 @@ describe('Precompiles: BLAKE2F', () => {
         'should generate expected value',
       )
       assert.deepEqual(result.executionGasUsed, BigInt(t.gas), 'should use expected amount of gas')
-    })
+    }, 20_000)
   }
 
   for (const t of malformedCases) {
diff --git a/packages/mpt/test/util/genesisState.spec.ts b/packages/mpt/test/util/genesisState.spec.ts
index 8b479b7347..986dcdf6b0 100644
--- a/packages/mpt/test/util/genesisState.spec.ts
+++ b/packages/mpt/test/util/genesisState.spec.ts
@@ -27,4 +27,4 @@ it('should correctly derive mainnet stateRoot from ethereumjs genesis', async ()
     '0xd7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544',
     'mainnet stateRoot matches',
   )
-})
+}, 20_000)
diff --git a/packages/statemanager/test/statefulVerkleStateManager.spec.ts b/packages/statemanager/test/statefulVerkleStateManager.spec.ts
index e6df97a87c..115dfaab36 100644
--- a/packages/statemanager/test/statefulVerkleStateManager.spec.ts
+++ b/packages/statemanager/test/statefulVerkleStateManager.spec.ts
@@ -96,7 +96,7 @@ describe('Verkle Tree API tests', () => {
       matchingBytesLength(retrievedReallyBigByteCode, reallyBigByteCode),
       reallyBigByteCode.length,
     )
-  })
+  }, 120_000)
   it('should put and get storage', async () => {
     const zeroSlot = setLengthLeft(bigIntToBytes(0n), 32)
     const zeroSlotValue = hexToBytes('0x1')
diff --git a/packages/statemanager/test/vmState.spec.ts b/packages/statemanager/test/vmState.spec.ts
index 64079ff27e..244c52b3ab 100644
--- a/packages/statemanager/test/vmState.spec.ts
+++ b/packages/statemanager/test/vmState.spec.ts
@@ -32,7 +32,7 @@ describe('stateManager', () => {
       expectedStateRoot,
       `generateCanonicalGenesis should produce correct state root for mainnet from common`,
     )
-  })
+  }, 10_000)
 
   it(`should generate the genesis state root correctly for all other chains`, async () => {
     const chains: [Chain, Uint8Array][] = [
diff --git a/packages/tx/test/eip4844.spec.ts b/packages/tx/test/eip4844.spec.ts
index cf0e895941..43fac82add 100644
--- a/packages/tx/test/eip4844.spec.ts
+++ b/packages/tx/test/eip4844.spec.ts
@@ -516,7 +516,7 @@ describe('Network wrapper tests', () => {
       undefined,
       "throws when versioned hashes don't match kzg commitments",
     )
-  })
+  }, 20_000)
 })
 
 describe('hash() and signature verification', () => {
diff --git a/packages/tx/test/t9n.spec.ts b/packages/tx/test/t9n.spec.ts
index 3e6e03550a..ad529464d0 100644
--- a/packages/tx/test/t9n.spec.ts
+++ b/packages/tx/test/t9n.spec.ts
@@ -105,7 +105,7 @@ function runTests(filePath: string) {
                 assert.ok(true, 'RLP decoding successfully failed')
               }
             }
-          })
+          }, 20_000)
         }
       }
     })
diff --git a/packages/vm/test/api/EIPs/eip-2935-historical-block-hashes.spec.ts b/packages/vm/test/api/EIPs/eip-2935-historical-block-hashes.spec.ts
index bdf2dc23fb..597ec93d55 100644
--- a/packages/vm/test/api/EIPs/eip-2935-historical-block-hashes.spec.ts
+++ b/packages/vm/test/api/EIPs/eip-2935-historical-block-hashes.spec.ts
@@ -310,6 +310,6 @@ describe('EIP 2935: historical block hashes', () => {
         const blockHashI = await testBlockhashContract(vm, block, BigInt(i))
         assert.ok(equalsBytes(blockHashI, setLengthLeft(bigIntToBytes(BigInt(0)), 32)))
       }
-    })
+    }, 10_000)
   }
 })