diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json
index 3d4ad7302a..1e0aa3b5db 100644
--- a/packages/order-utils/CHANGELOG.json
+++ b/packages/order-utils/CHANGELOG.json
@@ -97,6 +97,10 @@
             {
                 "note": "Add `CumulativeRewardIntervalError`.",
                 "pr": 2154
+            },
+            {
+                "note": "Add `PreviousEpochNotFinalizedError` to `StakingRevertErrors`.",
+                "pr": 2155
             }
         ]
     },
diff --git a/packages/order-utils/src/staking_revert_errors.ts b/packages/order-utils/src/staking_revert_errors.ts
index cb32c497d8..227dbdbbae 100644
--- a/packages/order-utils/src/staking_revert_errors.ts
+++ b/packages/order-utils/src/staking_revert_errors.ts
@@ -254,9 +254,23 @@ export class CumulativeRewardIntervalError extends RevertError {
     }
 }
 
+export class PreviousEpochNotFinalizedError extends RevertError {
+    constructor(
+        closingEpoch?: BigNumber | number | string,
+        unfinalizedPoolsRemaining?: BigNumber | number | string,
+    ) {
+        super(
+            'PreviousEpochNotFinalizedError',
+            'PreviousEpochNotFinalizedError(uint256 closingEpoch, uint256 unfinalizedPoolsRemaining)',
+            { closingEpoch, unfinalizedPoolsRemaining },
+        );
+    }
+}
+
 const types = [
     AmountExceedsBalanceOfPoolError,
     BlockTimestampTooLowError,
+    CumulativeRewardIntervalError,
     EthVaultNotSetError,
     ExchangeAddressAlreadyRegisteredError,
     ExchangeAddressNotRegisteredError,
@@ -275,10 +289,10 @@ const types = [
     OnlyCallableIfNotInCatastrophicFailureError,
     OperatorShareError,
     PoolExistenceError,
+    PreviousEpochNotFinalizedError,
+    ProxyDestinationCannotBeNilError,
     RewardVaultNotSetError,
     WithdrawAmountExceedsMemberBalanceError,
-    ProxyDestinationCannotBeNilError,
-    CumulativeRewardIntervalError,
 ];
 
 // Register the types we've defined.