diff --git a/packages/beacon-node/test/spec/utils/specTestIterator.ts b/packages/beacon-node/test/spec/utils/specTestIterator.ts
index b99bc281cf50..393983bb8a56 100644
--- a/packages/beacon-node/test/spec/utils/specTestIterator.ts
+++ b/packages/beacon-node/test/spec/utils/specTestIterator.ts
@@ -65,8 +65,7 @@ export const defaultSkipOpts: SkipOpts = {
   skippedTestSuites: [
     /^capella\/light_client\/single_merkle_proof\/BeaconBlockBody.*/,
     /^deneb\/light_client\/single_merkle_proof\/BeaconBlockBody.*/,
-    // /^electra\/(?!operations\/attestations)(?!operations\/attester_slashing)/,
-    /^electra\/(?!operations\/attestation)/,
+    /^electra\/(?!operations\/attestations)(?!operations\/attester_slashing)/,
   ],
   skippedTests: [],
   skippedRunners: ["merkle_proof", "networking"],
diff --git a/packages/state-transition/src/block/isValidIndexedAttestation.ts b/packages/state-transition/src/block/isValidIndexedAttestation.ts
index e3965b97ee73..33d92a208260 100644
--- a/packages/state-transition/src/block/isValidIndexedAttestation.ts
+++ b/packages/state-transition/src/block/isValidIndexedAttestation.ts
@@ -1,4 +1,4 @@
-import {MAX_VALIDATORS_PER_COMMITTEE} from "@lodestar/params";
+import {ForkSeq, MAX_COMMITTEES_PER_SLOT, MAX_VALIDATORS_PER_COMMITTEE} from "@lodestar/params";
 import {phase0} from "@lodestar/types";
 import {CachedBeaconStateAllForks} from "../types.js";
 import {verifySignatureSet} from "../util/index.js";
@@ -44,7 +44,11 @@ export function isValidIndexedAttestationBigint(
  */
 export function isValidIndexedAttestationIndices(state: CachedBeaconStateAllForks, indices: number[]): boolean {
   // verify max number of indices
-  if (!(indices.length > 0 && indices.length <= MAX_VALIDATORS_PER_COMMITTEE)) {
+  const maxIndices =
+    state.config.getForkSeq(state.slot) >= ForkSeq.electra
+      ? MAX_VALIDATORS_PER_COMMITTEE * MAX_COMMITTEES_PER_SLOT
+      : MAX_VALIDATORS_PER_COMMITTEE;
+  if (!(indices.length > 0 && indices.length <= maxIndices)) {
     return false;
   }
 
diff --git a/packages/state-transition/src/util/epoch.ts b/packages/state-transition/src/util/epoch.ts
index 9e8dd0cff5b7..8ae501c51f71 100644
--- a/packages/state-transition/src/util/epoch.ts
+++ b/packages/state-transition/src/util/epoch.ts
@@ -52,7 +52,7 @@ export function computeExitEpochAndUpdateChurn(state: CachedBeaconStateElectra,
   // Exit doesn't fit in the current earliest epoch.
   if (exitBalance > exitBalanceToConsume) {
     const balanceToProcess = Number(exitBalance) - exitBalanceToConsume;
-    const additionalEpochs = Math.floor((balanceToProcess - 1) / (perEpochChurn + 1));
+    const additionalEpochs = Math.floor((balanceToProcess - 1) / perEpochChurn) + 1;
     earliestExitEpoch += additionalEpochs;
     exitBalanceToConsume += additionalEpochs * perEpochChurn;
   }