diff --git a/packages/types/src/augment/registry.ts b/packages/types/src/augment/registry.ts
index 08a702e60a..6b926b350d 100644
--- a/packages/types/src/augment/registry.ts
+++ b/packages/types/src/augment/registry.ts
@@ -37,6 +37,7 @@ import { FullIdentification, IdentificationTuple, Keys, MembershipProof, Session
 import { Bid, BidKind, SocietyJudgement, SocietyVote, StrikeCount, VouchingStatus } from '@polkadot/types/interfaces/society';
 import { ActiveEraInfo, CompactAssignments, CompactScore, ElectionCompute, ElectionResult, ElectionStatus, EraIndex, EraPoints, EraRewardPoints, EraRewards, Exposure, Forcing, IndividualExposure, KeyType, MomentOf, Nominations, NominatorIndex, OffchainAccuracy, PerU16, PhragmenScore, Points, ReleasesStaking, RewardDestination, RewardPoint, SlashJournalEntry, SlashingSpans, SlashingSpansTo204, SpanIndex, SpanRecord, StakingLedger, StakingLedgerTo223, StakingLedgerTo240, UnappliedSlash, UnappliedSlashOther, UnlockChunk, ValidatorIndex, ValidatorPrefs, ValidatorPrefsTo145, ValidatorPrefsTo196 } from '@polkadot/types/interfaces/staking';
 import { ApiId, KeyValueOption, ReadProof, RuntimeVersion, RuntimeVersionApi, StorageChangeSet } from '@polkadot/types/interfaces/state';
+import { WeightToFeeCoefficient } from '@polkadot/types/interfaces/support';
 import { AccountInfo, ChainProperties, ChainType, DigestOf, DispatchError, DispatchErrorModule, DispatchErrorTo198, DispatchResult, DispatchResultOf, DispatchResultTo198, Event, EventId, EventIndex, EventRecord, EventRecordTo76, Health, Key, LastRuntimeUpgradeInfo, NetworkState, NetworkStatePeerset, NetworkStatePeersetInfo, NodeRole, NotConnectedPeer, Peer, PeerEndpoint, PeerEndpointAddr, PeerInfo, PeerPing, Phase, RefCount } from '@polkadot/types/interfaces/system';
 import { OpenTip, OpenTipFinder, OpenTipTip, TreasuryProposal } from '@polkadot/types/interfaces/treasury';
 import { Multiplier } from '@polkadot/types/interfaces/txpayment';
@@ -965,6 +966,9 @@ declare module '@polkadot/types/types/registry' {
     ValidatorPrefsTo145: ValidatorPrefsTo145;
     'Option<ValidatorPrefsTo145>': Option<ValidatorPrefsTo145>;
     'Vec<ValidatorPrefsTo145>': Vec<ValidatorPrefsTo145>;
+    WeightToFeeCoefficient: WeightToFeeCoefficient;
+    'Option<WeightToFeeCoefficient>': Option<WeightToFeeCoefficient>;
+    'Vec<WeightToFeeCoefficient>': Vec<WeightToFeeCoefficient>;
     AccountInfo: AccountInfo;
     'Option<AccountInfo>': Option<AccountInfo>;
     'Vec<AccountInfo>': Vec<AccountInfo>;
diff --git a/packages/types/src/interfaces/definitions.ts b/packages/types/src/interfaces/definitions.ts
index 560b509bff..4e56717eae 100644
--- a/packages/types/src/interfaces/definitions.ts
+++ b/packages/types/src/interfaces/definitions.ts
@@ -28,6 +28,7 @@ export { default as scheduler } from './scheduler/definitions';
 export { default as session } from './session/definitions';
 export { default as society } from './society/definitions';
 export { default as staking } from './staking/definitions';
+export { default as support } from './support/definitions';
 export { default as system } from './system/definitions';
 export { default as treasury } from './treasury/definitions';
 export { default as txpayment } from './txpayment/definitions';
diff --git a/packages/types/src/interfaces/support/definitions.ts b/packages/types/src/interfaces/support/definitions.ts
new file mode 100644
index 0000000000..c75183a6e0
--- /dev/null
+++ b/packages/types/src/interfaces/support/definitions.ts
@@ -0,0 +1,20 @@
+// Copyright 2017-2020 @polkadot/types authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+// order important in structs... :)
+/* eslint-disable sort-keys */
+
+import { Definitions } from '../../types';
+
+export default {
+  rpc: {},
+  types: {
+    WeightToFeeCoefficient: {
+      coeffInteger: 'Balance',
+      coeffFrac: 'Perbill',
+      negative: 'bool',
+      degree: 'u8'
+    }
+  }
+} as Definitions;
diff --git a/packages/types/src/interfaces/support/index.ts b/packages/types/src/interfaces/support/index.ts
new file mode 100644
index 0000000000..2d307291c3
--- /dev/null
+++ b/packages/types/src/interfaces/support/index.ts
@@ -0,0 +1,4 @@
+// Auto-generated via `yarn polkadot-types-from-defs`, do not edit
+/* eslint-disable */
+
+export * from './types';
diff --git a/packages/types/src/interfaces/support/types.ts b/packages/types/src/interfaces/support/types.ts
new file mode 100644
index 0000000000..45e53e9d20
--- /dev/null
+++ b/packages/types/src/interfaces/support/types.ts
@@ -0,0 +1,16 @@
+// Auto-generated via `yarn polkadot-types-from-defs`, do not edit
+/* eslint-disable */
+
+import { Struct } from '@polkadot/types/codec';
+import { bool, u8 } from '@polkadot/types/primitive';
+import { Balance, Perbill } from '@polkadot/types/interfaces/runtime';
+
+/** @name WeightToFeeCoefficient */
+export interface WeightToFeeCoefficient extends Struct {
+  readonly coeffInteger: Balance;
+  readonly coeffFrac: Perbill;
+  readonly negative: bool;
+  readonly degree: u8;
+}
+
+export type PHANTOM_SUPPORT = 'support';
diff --git a/packages/types/src/interfaces/types.ts b/packages/types/src/interfaces/types.ts
index f02434b72f..d3a6b722b0 100644
--- a/packages/types/src/interfaces/types.ts
+++ b/packages/types/src/interfaces/types.ts
@@ -24,6 +24,7 @@ export * from './scheduler/types';
 export * from './session/types';
 export * from './society/types';
 export * from './staking/types';
+export * from './support/types';
 export * from './system/types';
 export * from './treasury/types';
 export * from './txpayment/types';