diff --git a/RELEASE b/RELEASE
index bf098ad8f8a..6353f698344 100644
--- a/RELEASE
+++ b/RELEASE
@@ -1,6 +1,6 @@
 IPFS hash of the deployment:
-- CIDv0: `QmWMPrCn87GuRChSff1SQ3kJ1YyCKg3VbXb7XVMTAoZbGX`
-- CIDv1: `bafybeidxbzdak5a2jr4kelvar5hq42h2xelcwz4h6tncmtnflnegwblhjq`
+- CIDv0: `QmXWLumHqg4tACWDxukPYbD43ZRiNSky6uxg6zfM3G3abs`
+- CIDv1: `bafybeieigtoxfjlgwe4hrnvsbldxzylo2govlsrd36ipkcl3bembqwbybi`
 
 The latest release is always mirrored at [app.uniswap.org](https://app.uniswap.org).
 
@@ -10,15 +10,15 @@ You can also access the Uniswap Interface from an IPFS gateway.
 Your Uniswap settings are never remembered across different URLs.
 
 IPFS gateways:
-- https://bafybeidxbzdak5a2jr4kelvar5hq42h2xelcwz4h6tncmtnflnegwblhjq.ipfs.dweb.link/
-- https://bafybeidxbzdak5a2jr4kelvar5hq42h2xelcwz4h6tncmtnflnegwblhjq.ipfs.cf-ipfs.com/
-- [ipfs://QmWMPrCn87GuRChSff1SQ3kJ1YyCKg3VbXb7XVMTAoZbGX/](ipfs://QmWMPrCn87GuRChSff1SQ3kJ1YyCKg3VbXb7XVMTAoZbGX/)
+- https://bafybeieigtoxfjlgwe4hrnvsbldxzylo2govlsrd36ipkcl3bembqwbybi.ipfs.dweb.link/
+- https://bafybeieigtoxfjlgwe4hrnvsbldxzylo2govlsrd36ipkcl3bembqwbybi.ipfs.cf-ipfs.com/
+- [ipfs://QmXWLumHqg4tACWDxukPYbD43ZRiNSky6uxg6zfM3G3abs/](ipfs://QmXWLumHqg4tACWDxukPYbD43ZRiNSky6uxg6zfM3G3abs/)
 
-### 5.66.2 (2025-01-22)
+## 5.67.0 (2025-01-22)
 
 
-### Bug Fixes
+### Features
 
-* **web:** 01 22 fix web use on chain currency balance for increase create prod (#15380) 2ee9767
+* **web:** add flag to experiment with 2s l2 polling interval [prod] (#15385) 2398242
 
 
diff --git a/VERSION b/VERSION
index 609c69f6f1c..1b18249b7bc 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-web/5.66.2
\ No newline at end of file
+web/5.67.0
\ No newline at end of file
diff --git a/packages/uniswap/src/features/gating/flags.ts b/packages/uniswap/src/features/gating/flags.ts
index 6d10fe1964d..d9f5a96bfa9 100644
--- a/packages/uniswap/src/features/gating/flags.ts
+++ b/packages/uniswap/src/features/gating/flags.ts
@@ -14,6 +14,7 @@ export enum FeatureFlags {
   PortionFields,
   SharedSwapArbitrumUniswapXExperiment,
   TokenSelectorTrendingTokens,
+  TwoSecondSwapQuotePollingInterval,
   Unichain,
   UnichainPromo,
   UniswapX,
diff --git a/packages/uniswap/src/features/transactions/swap/hooks/usePollingIntervalByChain.ts b/packages/uniswap/src/features/transactions/swap/hooks/usePollingIntervalByChain.ts
index 35d134c20e8..d80871c8714 100644
--- a/packages/uniswap/src/features/transactions/swap/hooks/usePollingIntervalByChain.ts
+++ b/packages/uniswap/src/features/transactions/swap/hooks/usePollingIntervalByChain.ts
@@ -1,7 +1,8 @@
 import { UniverseChainId } from 'uniswap/src/features/chains/types'
 import { isMainnetChainId } from 'uniswap/src/features/chains/utils'
 import { DynamicConfigs, SwapConfigKey } from 'uniswap/src/features/gating/configs'
-import { useDynamicConfigValue } from 'uniswap/src/features/gating/hooks'
+import { FeatureFlags } from 'uniswap/src/features/gating/flags'
+import { useDynamicConfigValue, useFeatureFlag } from 'uniswap/src/features/gating/hooks'
 import { ONE_SECOND_MS } from 'utilities/src/time/time'
 
 export const AVERAGE_L1_BLOCK_TIME_MS = 12 * ONE_SECOND_MS
@@ -20,5 +21,8 @@ export function usePollingIntervalByChain(chainId?: UniverseChainId): number {
     AVERAGE_L2_BLOCK_TIME_MS,
   )
 
-  return isMainnetChainId(chainId) ? averageL1BlockTimeMs : averageL2BlockTimeMs
+  const enableTwoSecondInterval = useFeatureFlag(FeatureFlags.TwoSecondSwapQuotePollingInterval)
+  const l2PollingInterval = enableTwoSecondInterval ? 2 * ONE_SECOND_MS : averageL2BlockTimeMs
+
+  return isMainnetChainId(chainId) ? averageL1BlockTimeMs : l2PollingInterval
 }