diff --git a/CHANGELOG.md b/CHANGELOG.md
index 264926d868..9b3c174511 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@ and this project adheres to
   waiting for block inclusion. ([#1396])
 - @cosmjs/cosmwasm-stargate: Add Amino JSON support for
   `MsgStoreCode.instantiate_permission`. ([#334])
+- @cosmjs/stargate: Add group and gov v1 message types
 
 [#334]: https://github.com/cosmos/cosmjs/issues/334
 [#1266]: https://github.com/cosmos/cosmjs/issues/1266
diff --git a/packages/stargate/src/index.ts b/packages/stargate/src/index.ts
index 5a41e4dfad..d009351df8 100644
--- a/packages/stargate/src/index.ts
+++ b/packages/stargate/src/index.ts
@@ -33,6 +33,7 @@ export {
   createEvidenceAminoConverters,
   createFeegrantAminoConverters,
   createGovAminoConverters,
+  createGroupAminoConverters,
   createIbcAminoConverters,
   createSlashingAminoConverters,
   createStakingAminoConverters,
diff --git a/packages/stargate/src/modules/gov/aminomessages.ts b/packages/stargate/src/modules/gov/aminomessages.ts
index e4de005a4a..d364f46830 100644
--- a/packages/stargate/src/modules/gov/aminomessages.ts
+++ b/packages/stargate/src/modules/gov/aminomessages.ts
@@ -103,6 +103,9 @@ export function isAminoMsgDeposit(msg: AminoMsg): msg is AminoMsgDeposit {
 }
 
 export function createGovAminoConverters(): AminoConverters {
+  // Gov v1 types missing, see
+  // https://github.com/cosmos/cosmjs/issues/1442
+
   return {
     "/cosmos.gov.v1beta1.MsgDeposit": {
       aminoType: "cosmos-sdk/MsgDeposit",
diff --git a/packages/stargate/src/modules/gov/messages.ts b/packages/stargate/src/modules/gov/messages.ts
index d926e389ef..334e5d7d00 100644
--- a/packages/stargate/src/modules/gov/messages.ts
+++ b/packages/stargate/src/modules/gov/messages.ts
@@ -1,13 +1,35 @@
 import { EncodeObject, GeneratedType } from "@cosmjs/proto-signing";
+import {
+  MsgDeposit as V1MsgDeposit,
+  MsgSubmitProposal as V1MsgSubmitProposal,
+  MsgUpdateParams as V1MsgUpdateParams,
+  MsgVote as V1MsgVote,
+  MsgVoteWeighted as V1MsgVoteWeighted,
+} from "cosmjs-types/cosmos/gov/v1/tx";
 import { MsgDeposit, MsgSubmitProposal, MsgVote, MsgVoteWeighted } from "cosmjs-types/cosmos/gov/v1beta1/tx";
 
 export const govTypes: ReadonlyArray<[string, GeneratedType]> = [
+  ["/cosmos.gov.v1.MsgDeposit", V1MsgDeposit],
+  ["/cosmos.gov.v1.MsgSubmitProposal", V1MsgSubmitProposal],
+  ["/cosmos.gov.v1.MsgUpdateParams", V1MsgUpdateParams],
+  ["/cosmos.gov.v1.MsgVote", V1MsgVote],
+  ["/cosmos.gov.v1.MsgVoteWeighted", V1MsgVoteWeighted],
+
   ["/cosmos.gov.v1beta1.MsgDeposit", MsgDeposit],
   ["/cosmos.gov.v1beta1.MsgSubmitProposal", MsgSubmitProposal],
   ["/cosmos.gov.v1beta1.MsgVote", MsgVote],
   ["/cosmos.gov.v1beta1.MsgVoteWeighted", MsgVoteWeighted],
 ];
 
+// There are no EncodeObject implementations for the new v1 message types because
+// those things don't scale (https://github.com/cosmos/cosmjs/issues/1440). We need to
+// address this more fundamentally. Users can use
+// const msg = {
+//   typeUrl: "/cosmos.gov.v1.MsgDeposit",
+//   value: MsgDeposit.fromPartial({ ... })
+// }
+// in their app.
+
 export interface MsgDepositEncodeObject extends EncodeObject {
   readonly typeUrl: "/cosmos.gov.v1beta1.MsgDeposit";
   readonly value: Partial<MsgDeposit>;
diff --git a/packages/stargate/src/modules/group/aminomessages.ts b/packages/stargate/src/modules/group/aminomessages.ts
new file mode 100644
index 0000000000..95cd8ba667
--- /dev/null
+++ b/packages/stargate/src/modules/group/aminomessages.ts
@@ -0,0 +1,6 @@
+import { AminoConverters } from "../../aminotypes";
+
+export function createGroupAminoConverters(): AminoConverters {
+  // Missing, see https://github.com/cosmos/cosmjs/issues/1441
+  return {};
+}
diff --git a/packages/stargate/src/modules/group/messages.ts b/packages/stargate/src/modules/group/messages.ts
new file mode 100644
index 0000000000..951c9a0ad0
--- /dev/null
+++ b/packages/stargate/src/modules/group/messages.ts
@@ -0,0 +1,43 @@
+import { GeneratedType } from "@cosmjs/proto-signing";
+import {
+  MsgCreateGroup,
+  MsgCreateGroupPolicy,
+  MsgCreateGroupWithPolicy,
+  MsgExec,
+  MsgLeaveGroup,
+  MsgSubmitProposal,
+  MsgUpdateGroupAdmin,
+  MsgUpdateGroupMembers,
+  MsgUpdateGroupMetadata,
+  MsgUpdateGroupPolicyAdmin,
+  MsgUpdateGroupPolicyDecisionPolicy,
+  MsgUpdateGroupPolicyMetadata,
+  MsgVote,
+  MsgWithdrawProposal,
+} from "cosmjs-types/cosmos/group/v1/tx";
+
+export const groupTypes: ReadonlyArray<[string, GeneratedType]> = [
+  ["/cosmos.group.v1.MsgCreateGroup", MsgCreateGroup],
+  ["/cosmos.group.v1.MsgCreateGroupPolicy", MsgCreateGroupPolicy],
+  ["/cosmos.group.v1.MsgCreateGroupWithPolicy", MsgCreateGroupWithPolicy],
+  ["/cosmos.group.v1.MsgExec", MsgExec],
+  ["/cosmos.group.v1.MsgLeaveGroup", MsgLeaveGroup],
+  ["/cosmos.group.v1.MsgSubmitProposal", MsgSubmitProposal],
+  ["/cosmos.group.v1.MsgUpdateGroupAdmin", MsgUpdateGroupAdmin],
+  ["/cosmos.group.v1.MsgUpdateGroupMembers", MsgUpdateGroupMembers],
+  ["/cosmos.group.v1.MsgUpdateGroupMetadata", MsgUpdateGroupMetadata],
+  ["/cosmos.group.v1.MsgUpdateGroupPolicyAdmin", MsgUpdateGroupPolicyAdmin],
+  ["/cosmos.group.v1.MsgUpdateGroupPolicyDecisionPolicy", MsgUpdateGroupPolicyDecisionPolicy],
+  ["/cosmos.group.v1.MsgUpdateGroupPolicyMetadata", MsgUpdateGroupPolicyMetadata],
+  ["/cosmos.group.v1.MsgVote", MsgVote],
+  ["/cosmos.group.v1.MsgWithdrawProposal", MsgWithdrawProposal],
+];
+
+// There are no EncodeObject implementations for the new v1 message types because
+// those things don't scale (https://github.com/cosmos/cosmjs/issues/1440). We need to
+// address this more fundamentally. Users can use
+// const msg = {
+//   typeUrl: "/cosmos.group.v1.MsgCreateGroup",
+//   value: MsgCreateGroup.fromPartial({ ... })
+// }
+// in their app.
diff --git a/packages/stargate/src/modules/index.ts b/packages/stargate/src/modules/index.ts
index 3a63f0b067..7d41cd24e5 100644
--- a/packages/stargate/src/modules/index.ts
+++ b/packages/stargate/src/modules/index.ts
@@ -64,6 +64,8 @@ export {
   MsgVoteWeightedEncodeObject,
 } from "./gov/messages";
 export { GovExtension, GovParamsType, GovProposalId, setupGovExtension } from "./gov/queries";
+export { createGroupAminoConverters } from "./group/aminomessages";
+export { groupTypes } from "./group/messages";
 export { AminoMsgTransfer, createIbcAminoConverters, isAminoMsgTransfer } from "./ibc/aminomessages";
 export { ibcTypes, isMsgTransferEncodeObject, MsgTransferEncodeObject } from "./ibc/messages";
 export { IbcExtension, setupIbcExtension } from "./ibc/queries";
diff --git a/packages/stargate/src/signingstargateclient.ts b/packages/stargate/src/signingstargateclient.ts
index 0c089fc7ac..a255629c2c 100644
--- a/packages/stargate/src/signingstargateclient.ts
+++ b/packages/stargate/src/signingstargateclient.ts
@@ -36,6 +36,7 @@ import {
   distributionTypes,
   feegrantTypes,
   govTypes,
+  groupTypes,
   ibcTypes,
   MsgDelegateEncodeObject,
   MsgSendEncodeObject,
@@ -64,6 +65,7 @@ export const defaultRegistryTypes: ReadonlyArray<[string, GeneratedType]> = [
   ...distributionTypes,
   ...feegrantTypes,
   ...govTypes,
+  ...groupTypes,
   ...stakingTypes,
   ...ibcTypes,
   ...vestingTypes,