diff --git a/packages/coingecko/CHANGELOG.md b/packages/coingecko/CHANGELOG.md
index d3cde617d..77094aae7 100644
--- a/packages/coingecko/CHANGELOG.md
+++ b/packages/coingecko/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @usedapp/coingecko
 
+## 1.1.21
+
+### Patch Changes
+
+- Updated dependencies [c688928]
+  - @usedapp/core@1.2.15
+
 ## 1.1.20
 
 ### Patch Changes
diff --git a/packages/coingecko/package.json b/packages/coingecko/package.json
index 4616a466f..d7cddbeb6 100644
--- a/packages/coingecko/package.json
+++ b/packages/coingecko/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@usedapp/coingecko",
-  "version": "1.1.20",
+  "version": "1.1.21",
   "main": "dist/cjs/src/index.js",
   "module": "dist/esm/src/index.js",
   "types": "dist/esm/src/index.d.ts",
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index 3a4980c84..251cb2c5b 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @usedapp/core
 
+## 1.2.15
+
+### Patch Changes
+
+- c688928: 🌝 Add optimism sepolia to chain ids
+
 ## 1.2.14
 
 ### Patch Changes
diff --git a/packages/core/package.json b/packages/core/package.json
index cbda595e7..b3246d71c 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@usedapp/core",
-  "version": "1.2.14",
+  "version": "1.2.15",
   "repository": "git@github.com:TrueFiEng/useDApp.git",
   "author": "Ethworks",
   "license": "MIT",
diff --git a/packages/core/src/constants/chainId.ts b/packages/core/src/constants/chainId.ts
index 8f02f9838..78407bca7 100644
--- a/packages/core/src/constants/chainId.ts
+++ b/packages/core/src/constants/chainId.ts
@@ -68,6 +68,7 @@ import {
   MantleTestnet,
   KromaSepoliaTestnet,
   KromaMainnet,
+  OptimismSepolia,
 } from '../model'
 
 // rough alphabet order (put network from the same chain together)
@@ -121,6 +122,7 @@ export const DEFAULT_SUPPORTED_CHAINS = [
   ThunderCoreTestnet,
   OptimismGoerli,
   OptimismKovan,
+  OptimismSepolia,
   Optimism,
   Velas,
   VelasTestnet,
@@ -187,6 +189,7 @@ export enum ChainId {
   Andromeda = 1088,
   OptimismGoerli = 420,
   OptimismKovan = 69,
+  OptimismSepolia = 11155420,
   Optimism = 10,
   Arbitrum = 42161,
   ArbitrumRinkeby = 421611,
diff --git a/packages/core/src/hooks/useConfig.test.tsx b/packages/core/src/hooks/useConfig.test.tsx
index 990338728..48a44b930 100644
--- a/packages/core/src/hooks/useConfig.test.tsx
+++ b/packages/core/src/hooks/useConfig.test.tsx
@@ -26,7 +26,7 @@ describe('useConfig', () => {
     const { result, waitForCurrent } = await renderDAppHook(() => useConfig(), { config: setup.config })
     await waitForCurrent((val) => val !== undefined)
     expect(result.error).to.be.undefined
-    expect(result.current.networks?.length).to.eq(68)
+    expect(result.current.networks?.length).to.eq(69)
     expect(result.current.notifications?.checkInterval).to.eq(500)
     expect(result.current.notifications?.expirationPeriod).to.eq(5000)
   })
diff --git a/packages/docs/playwright/with-metamask.test.ts b/packages/docs/playwright/with-metamask.test.ts
index e4c189966..3dcb5e657 100644
--- a/packages/docs/playwright/with-metamask.test.ts
+++ b/packages/docs/playwright/with-metamask.test.ts
@@ -101,12 +101,8 @@ describe(`Browser: ${browserType.name()} with Metamask`, () => {
       const popupPage = await popupPromise
 
       await sleep(2000) // Wait for the popup to be fully loaded.
-      expect(
-        // if this link is visible, then the network does not match metamask records
-        await popupPage.isVisible(`//a[@href='https://metamask.zendesk.com/hc/en-us/articles/360057142392']`)
-      ).to.be.false
 
-      await popupPage.click(XPath.text('a', 'View all'))
+      await popupPage.click(XPath.text('a', 'View all details'))
       await waitForExpect(async () => {
         expect(await popupPage.isVisible(`//*[text()='${Optimism.chainName}']`)).to.be.true
         expect(await popupPage.isVisible(`//*[text()='${Optimism.rpcUrl}']`)).to.be.true
diff --git a/packages/testing/CHANGELOG.md b/packages/testing/CHANGELOG.md
index 1fbf76543..5b291cb54 100644
--- a/packages/testing/CHANGELOG.md
+++ b/packages/testing/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @usedapp/testing
 
+## 1.1.21
+
+### Patch Changes
+
+- Updated dependencies [c688928]
+  - @usedapp/core@1.2.15
+
 ## 1.1.20
 
 ### Patch Changes
diff --git a/packages/testing/package.json b/packages/testing/package.json
index 2f0bc818a..a79770e7a 100644
--- a/packages/testing/package.json
+++ b/packages/testing/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@usedapp/testing",
-  "version": "1.1.20",
+  "version": "1.1.21",
   "main": "dist/src/index.js",
   "types": "dist/src/index.d.ts",
   "repository": "git@github.com:TrueFiEng/useDApp.git",