diff --git a/.changeset/silver-hornets-remember.md b/.changeset/silver-hornets-remember.md
new file mode 100644
index 000000000..855afda5a
--- /dev/null
+++ b/.changeset/silver-hornets-remember.md
@@ -0,0 +1,5 @@
+---
+"@sovryn/ethers-provider": patch
+---
+
+SOV-4370: Update BOB Testnet chain id
diff --git a/packages/ethers-provider/src/chains.ts b/packages/ethers-provider/src/chains.ts
index e6e2f4d38..ec0412100 100644
--- a/packages/ethers-provider/src/chains.ts
+++ b/packages/ethers-provider/src/chains.ts
@@ -6,7 +6,7 @@ export enum ChainIds {
   BSC_MAINNET = '0x38',
   BSC_TESTNET = '0x61',
   BOB_MAINNET = '0xed88', // 60808
-  BOB_TESTNET = '0x6f', // 111
+  BOB_TESTNET = '0xc576d', // 808813
   /** @deprecated */
   ROPSTEN = '0x3',
   // forks