diff --git a/README.md b/README.md
index 005b317..1dd176b 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,18 @@ Start the development server:
 yarn dev
 ```
 
+## Testing against the Sepolia Ethereum testnet
+
+Add Sepolia testnet variables to your local development environment:
+```
+cp .env.sepolia .env.local
+```
+
+Start the development server:
+```
+yarn dev
+```
+
 Once you go to http://localhost:42069, you will see the message "Nation3 uses Goerli as its preferred network":
 
 > <img width="966" alt="Screen Shot 2022-05-21 at 11 10 06 AM" src="https://user-images.githubusercontent.com/95955389/169633157-50b239e4-9b4f-484d-a62e-8c3b6627dc29.png">
diff --git a/contracts/deployments/sepoila.json b/contracts/deployments/sepoila.json
new file mode 100644
index 0000000..30480e4
--- /dev/null
+++ b/contracts/deployments/sepoila.json
@@ -0,0 +1,14 @@
+{
+ "nationToken": "0x23Ca3002706b71a440860E3cf8ff64679A00C9d7",
+ "veNationToken": "0x8100e77899C24b0F7B516153F84868f850C034BF",
+ "balancerLPToken": "0x6417755C00d5c17DeC196Df00a6F151E448B1471",
+ "lpRewardsContract": "0x534AB4F195Ac166B78d9edCdbeA04802392711aA",
+ "nationDropContracts": [
+  "0xfa5742931300D9CcFB8FE789dbd72326DFf770fB",
+  "0x32ebd2b43fdF9Ac035Cb9947E5086F0Ca53be573"
+ ],
+ "nationPassportNFT": "0x11f30642277A70Dab74C6fAF4170a8b340BE2f98",
+ "nationPassportNFTIssuer": "0xdad32e13E73ce4155a181cA0D350Fee0f2596940",
+ "nationPassportAgreementStatement": "By claiming a Nation3 passport I agree to the terms defined in the following URL",
+ "nationPassportAgreementURI": "https://bafkreiadlf3apu3u7blxw7t2yxi7oyumeuzhoasq7gqmcbaaycq342xq74.ipfs.dweb.link"
+}
diff --git a/ui/.env.sepolia b/ui/.env.sepolia
new file mode 100644
index 0000000..37e2628
--- /dev/null
+++ b/ui/.env.sepolia
@@ -0,0 +1,5 @@
+NEXT_PUBLIC_CHAIN=sepolia
+INFURA_ID=
+ALCHEMY_ID=
+ETHERSCAN_ID=
+NFTSTORAGE_KEY=
diff --git a/ui/README.md b/ui/README.md
index b21e26e..ff438d1 100644
--- a/ui/README.md
+++ b/ui/README.md
@@ -22,6 +22,11 @@ or
 ```
 cp .env.goerli .env.local
 ```
+or
+```
+cp .env.sepolia .env.local
+```
+
 
 Build:
 ```