diff --git a/.pnp.cjs b/.pnp.cjs
index 17c9755d52..9a59b9f3f8 100755
--- a/.pnp.cjs
+++ b/.pnp.cjs
@@ -1031,7 +1031,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
       ],
       [
         "cosmjs-types",
-        "npm:0.4.0"
+        "npm:0.5.0"
       ],
       [
         "cross-spawn",
@@ -3227,7 +3227,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["axios", "npm:0.21.4"],
             ["babylon", "npm:6.18.0"],
             ["chalk", "npm:4.1.2"],
-            ["cosmjs-types", "npm:0.4.0"],
+            ["cosmjs-types", "npm:0.5.0"],
             ["diff", "npm:4.0.2"],
             ["eslint", "npm:7.26.0"],
             ["eslint-config-prettier", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:8.3.0"],
@@ -3273,7 +3273,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["@types/pako", "npm:1.0.1"],
             ["@typescript-eslint/eslint-plugin", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:5.13.0"],
             ["@typescript-eslint/parser", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:5.13.0"],
-            ["cosmjs-types", "npm:0.4.0"],
+            ["cosmjs-types", "npm:0.5.0"],
             ["eslint", "npm:7.26.0"],
             ["eslint-config-prettier", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:8.3.0"],
             ["eslint-import-resolver-node", "npm:0.3.4"],
@@ -3646,7 +3646,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["@types/node", "npm:15.3.1"],
             ["@typescript-eslint/eslint-plugin", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:5.13.0"],
             ["@typescript-eslint/parser", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:5.13.0"],
-            ["cosmjs-types", "npm:0.4.0"],
+            ["cosmjs-types", "npm:0.5.0"],
             ["eslint", "npm:7.26.0"],
             ["eslint-config-prettier", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:8.3.0"],
             ["eslint-import-resolver-node", "npm:0.3.4"],
@@ -3747,7 +3747,7 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
             ["@types/node", "npm:15.3.1"],
             ["@typescript-eslint/eslint-plugin", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:5.13.0"],
             ["@typescript-eslint/parser", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:5.13.0"],
-            ["cosmjs-types", "npm:0.4.0"],
+            ["cosmjs-types", "npm:0.5.0"],
             ["eslint", "npm:7.26.0"],
             ["eslint-config-prettier", "virtual:4f1584ad4aba8733a24be7c8aebbffafef25607f2d00f4b314cf96717145c692763628a31c2b85d4686fbb091ff21ebffa3cc337399c042c19a32b9bdb786464#npm:8.3.0"],
             ["eslint-import-resolver-node", "npm:0.3.4"],
@@ -6886,10 +6886,10 @@ function $$SETUP_STATE(hydrateRuntimeState, basePath) {
         }]
       ]],
       ["cosmjs-types", [
-        ["npm:0.4.0", {
-          "packageLocation": "./.yarn/cache/cosmjs-types-npm-0.4.0-accb450c96-ffc3e6451e.zip/node_modules/cosmjs-types/",
+        ["npm:0.5.0", {
+          "packageLocation": "./.yarn/cache/cosmjs-types-npm-0.5.0-f6798779ac-caface3c6d.zip/node_modules/cosmjs-types/",
           "packageDependencies": [
-            ["cosmjs-types", "npm:0.4.0"],
+            ["cosmjs-types", "npm:0.5.0"],
             ["long", "npm:4.0.0"],
             ["protobufjs", "npm:6.11.2"]
           ],
diff --git a/.yarn/cache/cosmjs-types-npm-0.4.0-accb450c96-ffc3e6451e.zip b/.yarn/cache/cosmjs-types-npm-0.4.0-accb450c96-ffc3e6451e.zip
deleted file mode 100644
index c07169a6a5..0000000000
--- a/.yarn/cache/cosmjs-types-npm-0.4.0-accb450c96-ffc3e6451e.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3e730c8bd09822b2153803a941023040367fd9d08bb1a74cb1466189e4649427
-size 1074040
diff --git a/.yarn/cache/cosmjs-types-npm-0.5.0-f6798779ac-caface3c6d.zip b/.yarn/cache/cosmjs-types-npm-0.5.0-f6798779ac-caface3c6d.zip
new file mode 100644
index 0000000000..5967512d6a
--- /dev/null
+++ b/.yarn/cache/cosmjs-types-npm-0.5.0-f6798779ac-caface3c6d.zip
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f01e2ee989aa25553303fa71f36346a5e955cb458907f31055c29a2358799e2a
+size 1146333
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4d5b6399d..63e08619c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,9 +15,11 @@ and this project adheres to
 
 ### Changed
 
+- all: Upgrade cosmjs-types to 0.5 ([#1131]).
 - @cosmjs/stargate: Change `packetCommitment` parameter `sequence` type from
   `Long` to `number` ([#1168]).
 
+[#1131]: https://github.com/cosmos/cosmjs/pull/1131
 [#1168]: https://github.com/cosmos/cosmjs/pull/1168
 
 ## [0.28.6] - 2022-06-08
diff --git a/packages/cli/package.json b/packages/cli/package.json
index dd25ad6c64..876fb22605 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -53,7 +53,7 @@
     "axios": "^0.21.2",
     "babylon": "^6.18.0",
     "chalk": "^4",
-    "cosmjs-types": "^0.4.0",
+    "cosmjs-types": "^0.5.0",
     "diff": "^4",
     "recast": "^0.20",
     "ts-node": "^8",
diff --git a/packages/cosmwasm-stargate/package.json b/packages/cosmwasm-stargate/package.json
index f77b66cecf..cd750763b2 100644
--- a/packages/cosmwasm-stargate/package.json
+++ b/packages/cosmwasm-stargate/package.json
@@ -46,7 +46,7 @@
     "@cosmjs/stargate": "workspace:packages/stargate",
     "@cosmjs/tendermint-rpc": "workspace:packages/tendermint-rpc",
     "@cosmjs/utils": "workspace:packages/utils",
-    "cosmjs-types": "^0.4.0",
+    "cosmjs-types": "^0.5.0",
     "long": "^4.0.0",
     "pako": "^2.0.2"
   },
diff --git a/packages/cosmwasm-stargate/src/modules/wasm/queries.spec.ts b/packages/cosmwasm-stargate/src/modules/wasm/queries.spec.ts
index 7accd995fa..842a74af8f 100644
--- a/packages/cosmwasm-stargate/src/modules/wasm/queries.spec.ts
+++ b/packages/cosmwasm-stargate/src/modules/wasm/queries.spec.ts
@@ -210,12 +210,14 @@ describe("WasmExtension", () => {
 
       const { contractInfo } = await client.wasm.getContractInfo(myAddress);
       assert(contractInfo);
-      expect({ ...contractInfo }).toEqual({
+      expect(contractInfo).toEqual({
         codeId: Long.fromNumber(hackatomCodeId, true),
         creator: alice.address0,
         label: "my escrow",
         admin: "",
         ibcPortId: "",
+        created: undefined,
+        extension: undefined,
       });
       expect(contractInfo.admin).toEqual("");
     });
diff --git a/packages/proto-signing/package.json b/packages/proto-signing/package.json
index 8e8c0e1883..b809555b9d 100644
--- a/packages/proto-signing/package.json
+++ b/packages/proto-signing/package.json
@@ -44,7 +44,7 @@
     "@cosmjs/encoding": "workspace:packages/encoding",
     "@cosmjs/math": "workspace:packages/math",
     "@cosmjs/utils": "workspace:packages/utils",
-    "cosmjs-types": "^0.4.0",
+    "cosmjs-types": "^0.5.0",
     "long": "^4.0.0"
   },
   "devDependencies": {
diff --git a/packages/proto-signing/src/decode.spec.ts b/packages/proto-signing/src/decode.spec.ts
index 6646946d64..4a783acef0 100644
--- a/packages/proto-signing/src/decode.spec.ts
+++ b/packages/proto-signing/src/decode.spec.ts
@@ -44,6 +44,7 @@ describe("decode", () => {
                 single: {
                   mode: SignMode.SIGN_MODE_DIRECT,
                 },
+                multi: undefined,
               },
               sequence: Long.UZERO,
             },
diff --git a/packages/stargate/package.json b/packages/stargate/package.json
index d2d9f921e5..f06b3e91ee 100644
--- a/packages/stargate/package.json
+++ b/packages/stargate/package.json
@@ -46,7 +46,7 @@
     "@cosmjs/stream": "workspace:packages/stream",
     "@cosmjs/tendermint-rpc": "workspace:packages/tendermint-rpc",
     "@cosmjs/utils": "workspace:packages/utils",
-    "cosmjs-types": "^0.4.0",
+    "cosmjs-types": "^0.5.0",
     "long": "^4.0.0",
     "protobufjs": "~6.11.3",
     "xstream": "^11.14.0"
diff --git a/packages/stargate/src/modules/auth/queries.spec.ts b/packages/stargate/src/modules/auth/queries.spec.ts
index 297708a4a7..6db9dd6188 100644
--- a/packages/stargate/src/modules/auth/queries.spec.ts
+++ b/packages/stargate/src/modules/auth/queries.spec.ts
@@ -28,7 +28,7 @@ describe("AuthExtension", () => {
       expect(account.typeUrl).toEqual("/cosmos.auth.v1beta1.BaseAccount");
       expect(BaseAccount.decode(account.value)).toEqual({
         address: unused.address,
-        // pubKey not set
+        pubKey: undefined,
         accountNumber: Long.fromNumber(unused.accountNumber, true),
         sequence: Long.UZERO,
       });
diff --git a/packages/stargate/src/modules/ibc/queries.ts b/packages/stargate/src/modules/ibc/queries.ts
index 1b72d5ee2a..c35dc62e89 100644
--- a/packages/stargate/src/modules/ibc/queries.ts
+++ b/packages/stargate/src/modules/ibc/queries.ts
@@ -18,6 +18,7 @@ import {
   QueryConnectionChannelsResponse,
   QueryNextSequenceReceiveResponse,
   QueryPacketAcknowledgementResponse,
+  QueryPacketAcknowledgementsRequest,
   QueryPacketAcknowledgementsResponse,
   QueryPacketCommitmentResponse,
   QueryPacketCommitmentsResponse,
@@ -303,22 +304,25 @@ export function setupIbcExtension(base: QueryClient): IbcExtension {
             channelId: channelId,
             sequence: Long.fromNumber(sequence, true),
           }),
-        packetAcknowledgements: async (portId: string, channelId: string, paginationKey?: Uint8Array) =>
-          channelQueryService.PacketAcknowledgements({
+        packetAcknowledgements: async (portId: string, channelId: string, paginationKey?: Uint8Array) => {
+          const request = QueryPacketAcknowledgementsRequest.fromPartial({
             portId: portId,
             channelId: channelId,
             pagination: createPagination(paginationKey),
-          }),
+          });
+          return channelQueryService.PacketAcknowledgements(request);
+        },
         allPacketAcknowledgements: async (portId: string, channelId: string) => {
           const acknowledgements = [];
           let response: QueryPacketAcknowledgementsResponse;
           let key: Uint8Array | undefined;
           do {
-            response = await channelQueryService.PacketAcknowledgements({
+            const request = QueryPacketAcknowledgementsRequest.fromPartial({
               channelId: channelId,
               portId: portId,
               pagination: createPagination(key),
             });
+            response = await channelQueryService.PacketAcknowledgements(request);
             acknowledgements.push(...response.acknowledgements);
             key = response.pagination?.nextKey;
           } while (key && key.length);
diff --git a/yarn.lock b/yarn.lock
index 8dc40f1eac..d3e5d0c379 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -362,7 +362,7 @@ __metadata:
     axios: ^0.21.2
     babylon: ^6.18.0
     chalk: ^4
-    cosmjs-types: ^0.4.0
+    cosmjs-types: ^0.5.0
     diff: ^4
     eslint: ^7.5
     eslint-config-prettier: ^8.3.0
@@ -408,7 +408,7 @@ __metadata:
     "@types/pako": ^1.0.1
     "@typescript-eslint/eslint-plugin": ^5.13.0
     "@typescript-eslint/parser": ^5.13.0
-    cosmjs-types: ^0.4.0
+    cosmjs-types: ^0.5.0
     eslint: ^7.5
     eslint-config-prettier: ^8.3.0
     eslint-import-resolver-node: ^0.3.4
@@ -767,7 +767,7 @@ __metadata:
     "@types/node": ^15.0.1
     "@typescript-eslint/eslint-plugin": ^5.13.0
     "@typescript-eslint/parser": ^5.13.0
-    cosmjs-types: ^0.4.0
+    cosmjs-types: ^0.5.0
     eslint: ^7.5
     eslint-config-prettier: ^8.3.0
     eslint-import-resolver-node: ^0.3.4
@@ -864,7 +864,7 @@ __metadata:
     "@types/node": ^15.0.1
     "@typescript-eslint/eslint-plugin": ^5.13.0
     "@typescript-eslint/parser": ^5.13.0
-    cosmjs-types: ^0.4.0
+    cosmjs-types: ^0.5.0
     eslint: ^7.5
     eslint-config-prettier: ^8.3.0
     eslint-import-resolver-node: ^0.3.4
@@ -2903,13 +2903,13 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"cosmjs-types@npm:^0.4.0":
-  version: 0.4.0
-  resolution: "cosmjs-types@npm:0.4.0"
+"cosmjs-types@npm:^0.5.0":
+  version: 0.5.0
+  resolution: "cosmjs-types@npm:0.5.0"
   dependencies:
     long: ^4.0.0
     protobufjs: ~6.11.2
-  checksum: ffc3e6451e85023f81e17ae55cc221d2be77fa01ac65cbd51ec69b695c49a7fba5ddd50a913e519db8aae821f02f0c1a231a2d20337d4646ca520bb3584631a1
+  checksum: caface3c6d1fa1d2a848b13629fc1e1fe9afbd231bbea09a2b81ab3a7585937e139101bda6f1e85bff55ad5f7136356eff08b897d484c7f875de0d5da5b23dc0
   languageName: node
   linkType: hard