diff --git a/package.json b/package.json
index 270f551..1770fae 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@sablier/safe-app",
   "description": "Safe App for interacting with the Sablier protocol",
-  "version": "1.1.4",
+  "version": "1.1.5",
   "browserslist": {
     "production": [
       ">0.2%",
@@ -116,6 +116,7 @@
   "scripts": {
     "build": "react-app-rewired build",
     "clean": "shx rm -rf ./build",
+    "dev": "react-app-rewired  --openssl-legacy-provider start",
     "eject": "react-scripts eject",
     "lint": "yarn lint:ts && yarn lint:styles && yarn prettier:check && yarn typecheck",
     "lint:styles": "stylelint --config ./.stylelintrc.js \"./src/**/*.{css,ts,tsx,scss}\"",
diff --git a/src/components/EtherscanLink/Buttons/EtherscanButton.tsx b/src/components/EtherscanLink/Buttons/EtherscanButton.tsx
index e1f4e55..e9ef847 100644
--- a/src/components/EtherscanLink/Buttons/EtherscanButton.tsx
+++ b/src/components/EtherscanLink/Buttons/EtherscanButton.tsx
@@ -1,17 +1,34 @@
 import ExternalLinkIcon from "../../../assets/external-link.svg";
-import { BSC_MAINNET_ID, ETHEREUM_MAINNET_ID, POLYGON_MAINNET_ID, RINKEBY_ID } from "../../../constants/chains";
+import {
+  ARBITRUM_MAINNET_ID,
+  AVALANCHE_MAINNET_ID,
+  BSC_MAINNET_ID,
+  ETHEREUM_MAINNET_ID,
+  OPTIMISM_MAINNET_ID,
+  POLYGON_MAINNET_ID,
+  RINKEBY_ID,
+} from "../../../constants/chains";
 import { LinkContainer, StyledTooltip } from "./common";
 
 function getEtherscanLink(chainId: number, type: string, data: string): string {
   let base;
 
   switch (chainId) {
+    case ARBITRUM_MAINNET_ID:
+      base = "https://arbiscan.io";
+      break;
+    case AVALANCHE_MAINNET_ID:
+      base = "https://snowtrace.io";
+      break;
     case BSC_MAINNET_ID:
       base = "https://bscscan.com";
       break;
     case ETHEREUM_MAINNET_ID:
       base = "https://ethersscan.io";
       break;
+    case OPTIMISM_MAINNET_ID:
+      base = "https://optimistic.etherscan.io";
+      break;
     case POLYGON_MAINNET_ID:
       base = "https://polygonscan.com";
       break;
diff --git a/src/config/sablier.ts b/src/config/sablier.ts
index e833ebb..2916040 100644
--- a/src/config/sablier.ts
+++ b/src/config/sablier.ts
@@ -1,6 +1,14 @@
 import { AddressZero } from "@ethersproject/constants";
 
-import { BSC_MAINNET_ID, ETHEREUM_MAINNET_ID, POLYGON_MAINNET_ID, RINKEBY_ID } from "../constants/chains";
+import {
+  ARBITRUM_MAINNET_ID,
+  AVALANCHE_MAINNET_ID,
+  BSC_MAINNET_ID,
+  ETHEREUM_MAINNET_ID,
+  OPTIMISM_MAINNET_ID,
+  POLYGON_MAINNET_ID,
+  RINKEBY_ID,
+} from "../constants/chains";
 import type { SablierChainId } from "../types";
 
 type PayrollContractsMap = { [chainId in SablierChainId]: string };
@@ -14,8 +22,11 @@ type SablierContractsMap = { [chainId in SablierChainId]: string };
 
 // This is the v1.1 release of the "Sablier.sol" contract.
 const SABLIER_CONTRACTS: SablierContractsMap = {
+  [ARBITRUM_MAINNET_ID]: "0xaDB944B478818d95659067E70D2e5Fc43Fa3eDe9",
+  [AVALANCHE_MAINNET_ID]: "0x73f503fad13203C87889c3D5c567550b2d41D7a4",
   [BSC_MAINNET_ID]: "0x05BC7f5fb7F248d44d38703e5C921A8c16825161",
   [ETHEREUM_MAINNET_ID]: "0xCD18eAa163733Da39c232722cBC4E8940b1D8888",
+  [OPTIMISM_MAINNET_ID]: "0x6C5927c0679e6d857E87367bb635decbcB20F31c",
   [POLYGON_MAINNET_ID]: "0xAC18EAB6592F5fF6F9aCf5E0DCE0Df8E49124C06",
   [RINKEBY_ID]: "0xC1f3af5DC05b0C51955804b2afc80eF8FeED67b9",
 };
diff --git a/src/config/tokens.ts b/src/config/tokens.ts
index 18b3f58..64ee795 100644
--- a/src/config/tokens.ts
+++ b/src/config/tokens.ts
@@ -5,6 +5,7 @@ import {
   AVALANCHE_MAINNET_ID,
   BSC_MAINNET_ID,
   ETHEREUM_MAINNET_ID,
+  OPTIMISM_MAINNET_ID,
   POLYGON_MAINNET_ID,
   RINKEBY_ID,
 } from "../constants/chains";
@@ -15,6 +16,7 @@ type TokenMap = { [key in SablierChainId]: TokenItem[] };
 // It's okay to leave the "iconUrl" property empty at this step
 const TOKENS: TokenMap = {
   [ARBITRUM_MAINNET_ID]: [
+    { address: "0xDA10009cBd5D07dd0CeCc66161FC93D7c9000da1", decimals: 18, iconUrl: "", id: "DAI", label: "DAI" },
     { address: "0xb9c8f0d3254007ee4b98970b94544e473cd610ec", decimals: 18, iconUrl: "", id: "QI", label: "QI" },
     {
       address: "0x3F56e0c36d275367b8C502090EDF38289b3dEa0d",
@@ -147,6 +149,9 @@ const TOKENS: TokenMap = {
     { address: "0x8798249c2E607446EfB7Ad49eC89dD1865Ff4272", decimals: 18, iconUrl: "", id: "xSUSHI", label: "xSUSHI" },
     { address: "0x597ad1e0c13bfe8025993d9e79c69e1c0233522e", decimals: 6, iconUrl: "", id: "yUSDC", label: "yUSDC" },
   ],
+  [OPTIMISM_MAINNET_ID]: [
+    { address: "0xDA10009cBd5D07dd0CeCc66161FC93D7c9000da1", decimals: 18, iconUrl: "", id: "DAI", label: "DAI" },
+  ],
   [POLYGON_MAINNET_ID]: [
     { address: "0xD6DF932A45C0f255f85145f286eA0b292B21C90B", decimals: 18, iconUrl: "", id: "AAVE", label: "AAVE" },
     { address: "0xdAb529f40E671A1D4bF91361c21bf9f0C9712ab7", decimals: 18, iconUrl: "", id: "BUSD", label: "BUSD" },
@@ -199,6 +204,7 @@ const CUSTOM_TOKEN_ICONS: string[] = [
   "CRE8R",
   "CW",
   "CWAP",
+  "DAI",
   "D2D",
   "DHT",
   "DOG",
@@ -268,9 +274,18 @@ function getIconUrl(chainId: SablierChainId, address: string, symbol: string): s
 
   let chain = "";
   switch (chainId) {
+    case ARBITRUM_MAINNET_ID:
+      chain = "arbitrum";
+      break;
+    case AVALANCHE_MAINNET_ID:
+      chain = "avalanche";
+      break;
     case BSC_MAINNET_ID:
       chain = "smartchain";
       break;
+    case OPTIMISM_MAINNET_ID:
+      chain = "optimism";
+      break;
     case POLYGON_MAINNET_ID:
       chain = "polygon";
       break;
diff --git a/src/constants/chains.ts b/src/constants/chains.ts
index d25c2d4..11b100c 100644
--- a/src/constants/chains.ts
+++ b/src/constants/chains.ts
@@ -2,5 +2,6 @@ export const ARBITRUM_MAINNET_ID: number = 42161;
 export const AVALANCHE_MAINNET_ID: number = 43114;
 export const BSC_MAINNET_ID: number = 56;
 export const ETHEREUM_MAINNET_ID: number = 1;
+export const OPTIMISM_MAINNET_ID = 10;
 export const POLYGON_MAINNET_ID: number = 137;
 export const RINKEBY_ID: number = 4;
diff --git a/src/graphql/streams.ts b/src/graphql/streams.ts
index 66edca1..377ffa3 100644
--- a/src/graphql/streams.ts
+++ b/src/graphql/streams.ts
@@ -1,7 +1,15 @@
 import { ApolloClient, InMemoryCache, gql } from "@apollo/client";
 import type { DocumentNode } from "@apollo/client";
 
-import { BSC_MAINNET_ID, ETHEREUM_MAINNET_ID, POLYGON_MAINNET_ID, RINKEBY_ID } from "../constants/chains";
+import {
+  ARBITRUM_MAINNET_ID,
+  AVALANCHE_MAINNET_ID,
+  BSC_MAINNET_ID,
+  ETHEREUM_MAINNET_ID,
+  OPTIMISM_MAINNET_ID,
+  POLYGON_MAINNET_ID,
+  RINKEBY_ID,
+} from "../constants/chains";
 import type { SablierChainId, Stream } from "../types";
 
 type Response = {
@@ -9,8 +17,11 @@ type Response = {
 };
 
 const subgraphUri: { [key in SablierChainId]: string } = {
+  [ARBITRUM_MAINNET_ID]: "https://api.thegraph.com/subgraphs/name/sablierhq/sablier-arbitrum",
+  [AVALANCHE_MAINNET_ID]: "https://api.thegraph.com/subgraphs/name/sablierhq/sablier-avalanche",
   [BSC_MAINNET_ID]: "https://api.thegraph.com/subgraphs/name/sablierhq/sablier-bsc",
   [ETHEREUM_MAINNET_ID]: "https://api.thegraph.com/subgraphs/name/sablierhq/sablier",
+  [OPTIMISM_MAINNET_ID]: "https://api.thegraph.com/subgraphs/name/sablierhq/sablier-optimism",
   [POLYGON_MAINNET_ID]: "https://api.thegraph.com/subgraphs/name/sablierhq/sablier-matic",
   [RINKEBY_ID]: "https://api.thegraph.com/subgraphs/name/sablierhq/sablier-rinkeby",
 };
diff --git a/src/hooks/useContract.ts b/src/hooks/useContract.ts
index 982228e..f0902c3 100644
--- a/src/hooks/useContract.ts
+++ b/src/hooks/useContract.ts
@@ -4,7 +4,15 @@ import { JsonRpcProvider, Provider, getDefaultProvider } from "@ethersproject/pr
 import { useSafeAppsSDK } from "@gnosis.pm/safe-apps-react-sdk";
 import { useMemo } from "react";
 
-import { BSC_MAINNET_ID, ETHEREUM_MAINNET_ID, POLYGON_MAINNET_ID, RINKEBY_ID } from "../constants/chains";
+import {
+  ARBITRUM_MAINNET_ID,
+  AVALANCHE_MAINNET_ID,
+  BSC_MAINNET_ID,
+  ETHEREUM_MAINNET_ID,
+  OPTIMISM_MAINNET_ID,
+  POLYGON_MAINNET_ID,
+  RINKEBY_ID,
+} from "../constants/chains";
 import { getEnvVar } from "../utils/env";
 
 export default function useContract(abi: ContractInterface, address?: string): Contract {
@@ -13,6 +21,16 @@ export default function useContract(abi: ContractInterface, address?: string): C
   const provider: Provider = useMemo(() => {
     const infuraKey: string = getEnvVar("REACT_APP_INFURA_API_KEY");
     switch (safe.chainId) {
+      case ARBITRUM_MAINNET_ID:
+        return new JsonRpcProvider("https://arbitrum-mainnet.infura.io/v3/" + infuraKey, {
+          chainId: safe.chainId,
+          name: "arbitrum-mainnet",
+        });
+      case AVALANCHE_MAINNET_ID:
+        return new JsonRpcProvider("https://api.avax.network/ext/bc/C/rpc/", {
+          chainId: safe.chainId,
+          name: "avalanche-c",
+        });
       case BSC_MAINNET_ID:
         return new JsonRpcProvider("https://bsc-dataseed1.ninicoin.io", { chainId: safe.chainId, name: "bsc-mainnet" });
       case ETHEREUM_MAINNET_ID:
@@ -20,6 +38,11 @@ export default function useContract(abi: ContractInterface, address?: string): C
           chainId: safe.chainId,
           name: "ethereum",
         });
+      case OPTIMISM_MAINNET_ID:
+        return new JsonRpcProvider("https://optimism-mainnet.infura.io/v3/" + infuraKey, {
+          chainId: safe.chainId,
+          name: "optimism-mainnet",
+        });
       case POLYGON_MAINNET_ID:
         return new JsonRpcProvider("https://polygon-mainnet.infura.io/v3/" + infuraKey, {
           chainId: safe.chainId,
diff --git a/src/types/index.ts b/src/types/index.ts
index ee001c3..b5c34de 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -1,6 +1,14 @@
 import { BigNumberish } from "@ethersproject/bignumber";
 
-import { BSC_MAINNET_ID, ETHEREUM_MAINNET_ID, POLYGON_MAINNET_ID, RINKEBY_ID } from "../constants/chains";
+import {
+  ARBITRUM_MAINNET_ID,
+  AVALANCHE_MAINNET_ID,
+  BSC_MAINNET_ID,
+  ETHEREUM_MAINNET_ID,
+  OPTIMISM_MAINNET_ID,
+  POLYGON_MAINNET_ID,
+  RINKEBY_ID,
+} from "../constants/chains";
 import { StreamStatus } from "../constants/streams";
 
 export type Cancellation = {
@@ -29,8 +37,11 @@ export type HumanReadableStream = {
 };
 
 export type SablierChainId =
+  | typeof ARBITRUM_MAINNET_ID
+  | typeof AVALANCHE_MAINNET_ID
   | typeof BSC_MAINNET_ID
   | typeof ETHEREUM_MAINNET_ID
+  | typeof OPTIMISM_MAINNET_ID
   | typeof POLYGON_MAINNET_ID
   | typeof RINKEBY_ID;