diff --git a/packages/types-augment/src/registry/interfaces.ts b/packages/types-augment/src/registry/interfaces.ts
index 5b77684993..e6f512ed5a 100644
--- a/packages/types-augment/src/registry/interfaces.ts
+++ b/packages/types-augment/src/registry/interfaces.ts
@@ -63,7 +63,7 @@ import type { Si0Field, Si0LookupTypeId, Si0Path, Si0Type, Si0TypeDef, Si0TypeDe
 import type { Period, Priority, SchedulePeriod, SchedulePriority, Scheduled, ScheduledTo254, TaskAddress } from '@polkadot/types/interfaces/scheduler';
 import type { BeefyKey, FullIdentification, IdentificationTuple, Keys, MembershipProof, SessionIndex, SessionKeys1, SessionKeys10, SessionKeys10B, SessionKeys2, SessionKeys3, SessionKeys4, SessionKeys5, SessionKeys6, SessionKeys6B, SessionKeys7, SessionKeys7B, SessionKeys8, SessionKeys8B, SessionKeys9, SessionKeys9B, ValidatorCount } from '@polkadot/types/interfaces/session';
 import type { Bid, BidKind, SocietyJudgement, SocietyVote, StrikeCount, VouchingStatus } from '@polkadot/types/interfaces/society';
-import type { ActiveEraInfo, CompactAssignments, CompactAssignmentsTo257, CompactAssignmentsTo265, CompactAssignmentsWith16, CompactAssignmentsWith24, CompactScore, CompactScoreCompact, ElectionCompute, ElectionPhase, ElectionResult, ElectionScore, ElectionSize, ElectionStatus, EraIndex, EraPoints, EraRewardPoints, EraRewards, Exposure, ExtendedBalance, Forcing, IndividualExposure, KeyType, MomentOf, Nominations, NominatorIndex, NominatorIndexCompact, OffchainAccuracy, OffchainAccuracyCompact, PhragmenScore, Points, RawSolution, RawSolutionTo265, RawSolutionWith16, RawSolutionWith24, ReadySolution, RewardDestination, RewardPoint, RoundSnapshot, SeatHolder, SignedSubmission, SignedSubmissionOf, SignedSubmissionTo276, SlashJournalEntry, SlashingSpans, SlashingSpansTo204, SolutionOrSnapshotSize, SolutionSupport, SolutionSupports, SpanIndex, SpanRecord, StakingLedger, StakingLedgerTo223, StakingLedgerTo240, SubmissionIndicesOf, Supports, UnappliedSlash, UnappliedSlashOther, UnlockChunk, ValidatorIndex, ValidatorIndexCompact, ValidatorPrefs, ValidatorPrefsTo145, ValidatorPrefsTo196, ValidatorPrefsWithBlocked, ValidatorPrefsWithCommission, VoteWeight, Voter } from '@polkadot/types/interfaces/staking';
+import type { ActiveEraInfo, CompactAssignments, CompactAssignmentsTo257, CompactAssignmentsTo265, CompactAssignmentsWith16, CompactAssignmentsWith24, CompactScore, CompactScoreCompact, ElectionCompute, ElectionPhase, ElectionResult, ElectionResultToSpec10, ElectionScore, ElectionSize, ElectionStatus, EraIndex, EraPoints, EraRewardPoints, EraRewards, Exposure, ExtendedBalance, Forcing, IndividualExposure, KeyType, MomentOf, Nominations, NominatorIndex, NominatorIndexCompact, OffchainAccuracy, OffchainAccuracyCompact, PhragmenScore, Points, RawSolution, RawSolutionTo265, RawSolutionWith16, RawSolutionWith24, ReadySolution, RewardDestination, RewardPoint, RoundSnapshot, SeatHolder, SignedSubmission, SignedSubmissionOf, SignedSubmissionTo276, SlashJournalEntry, SlashingSpans, SlashingSpansTo204, SolutionOrSnapshotSize, SolutionSupport, SolutionSupports, SpanIndex, SpanRecord, StakingLedger, StakingLedgerTo223, StakingLedgerTo240, SubmissionIndicesOf, Supports, UnappliedSlash, UnappliedSlashOther, UnlockChunk, ValidatorIndex, ValidatorIndexCompact, ValidatorPrefs, ValidatorPrefsTo145, ValidatorPrefsTo196, ValidatorPrefsWithBlocked, ValidatorPrefsWithCommission, VoteWeight, Voter } from '@polkadot/types/interfaces/staking';
 import type { ApiId, BlockTrace, BlockTraceEvent, BlockTraceEventData, BlockTraceSpan, KeyValueOption, MigrationStatusResult, ReadProof, RuntimeVersion, RuntimeVersionApi, RuntimeVersionPartial, RuntimeVersionPre3, RuntimeVersionPre4, SpecVersion, StorageChangeSet, TraceBlockResponse, TraceError } from '@polkadot/types/interfaces/state';
 import type { StatementStoreInvalidStatement, StatementStoreStatementSource, StatementStoreValidStatement } from '@polkadot/types/interfaces/statement';
 import type { WeightToFeeCoefficient } from '@polkadot/types/interfaces/support';
@@ -402,6 +402,7 @@ declare module '@polkadot/types/types/registry' {
     ElectionCompute: ElectionCompute;
     ElectionPhase: ElectionPhase;
     ElectionResult: ElectionResult;
+    ElectionResultToSpec10: ElectionResultToSpec10;
     ElectionScore: ElectionScore;
     ElectionSize: ElectionSize;
     ElectionStatus: ElectionStatus;
diff --git a/packages/types-known/src/spec/polkadot.ts b/packages/types-known/src/spec/polkadot.ts
index 2565fed31f..3866b90ce3 100644
--- a/packages/types-known/src/spec/polkadot.ts
+++ b/packages/types-known/src/spec/polkadot.ts
@@ -37,7 +37,18 @@ const addrAccountIdTypes = {
 // these are override types for Polkadot
 export const versioned: OverrideVersionedType[] = [
   {
-    minmax: [0, 12],
+    minmax: [0, 10],
+    types: {
+      ...sharedTypes,
+      ...addrAccountIdTypes,
+      CompactAssignments: 'CompactAssignmentsTo257',
+      OpenTip: 'OpenTipTo225',
+      RefCount: 'RefCountTo259',
+      ElectionResult: 'ElectionResultToSpec10'
+    }
+  },
+  {
+    minmax: [11, 12],
     types: {
       ...sharedTypes,
       ...addrAccountIdTypes,
diff --git a/packages/types/src/interfaces/staking/definitions.ts b/packages/types/src/interfaces/staking/definitions.ts
index e401d924d2..734e1f3c8f 100644
--- a/packages/types/src/interfaces/staking/definitions.ts
+++ b/packages/types/src/interfaces/staking/definitions.ts
@@ -102,6 +102,11 @@ const phragmen = {
     electedStashes: 'Vec<AccountId>',
     exposures: 'Vec<(AccountId, Exposure)>'
   },
+  ElectionResultToSpec10: {
+    electedStashes: 'Vec<AccountId>',
+    exposures: 'Vec<(AccountId, Exposure<AccountId, Balance>)>',
+    compute: 'ElectionCompute'
+  },
   ElectionScore: '[u128; 3]',
   ElectionSize: {
     validators: 'Compact<ValidatorIndex>',
diff --git a/packages/types/src/interfaces/staking/types.ts b/packages/types/src/interfaces/staking/types.ts
index 830d67a5fe..1301f0dcbe 100644
--- a/packages/types/src/interfaces/staking/types.ts
+++ b/packages/types/src/interfaces/staking/types.ts
@@ -117,6 +117,13 @@ export interface ElectionResult extends Struct {
   readonly exposures: Vec<ITuple<[AccountId, Exposure]>>;
 }
 
+/** @name ElectionResultToSpec10 */
+export interface ElectionResultToSpec10 extends Struct {
+  readonly electedStashes: Vec<AccountId>;
+  readonly exposures: Vec<ITuple<[AccountId, Exposure]>>;
+  readonly compute: ElectionCompute;
+}
+
 /** @name ElectionScore */
 export interface ElectionScore extends Vec<u128> {}