diff --git a/CHANGELOG.md b/CHANGELOG.md
index edb4ccd008..d669125ca2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # CHANGELOG
 
+## 3.9.3 Feb 16, 2021
+
+Upgrade priority: Low. Recommended for parachain builders since it contains the updated parachain types.
+
+Changes:
+
+- Adjusted parachain `PersistedValidationData` structure
+
+
 ## 3.9.2 Feb 15, 2021
 
 Upgrade priority: Low. Recommended for parachain builders since it contains the latest parachain types.
diff --git a/package.json b/package.json
index 6e6c583277..b7e88c8df9 100644
--- a/package.json
+++ b/package.json
@@ -34,5 +34,5 @@
     "@types/jest": "^26.0.20",
     "copyfiles": "^2.4.1"
   },
-  "version": "3.9.2"
+  "version": "3.9.3"
 }
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 242980f34e..704c0b2c69 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "3.9.2",
+  "version": "3.9.3",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
   "sideEffects": false,
@@ -13,8 +13,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.13",
-    "@polkadot/api": "3.9.2",
-    "@polkadot/types": "3.9.2",
+    "@polkadot/api": "3.9.3",
+    "@polkadot/types": "3.9.3",
     "@polkadot/util": "^5.6.2",
     "@polkadot/x-rxjs": "^5.6.2",
     "bn.js": "^4.11.9"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 51d7723511..5b5d3e27af 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "3.9.2",
+  "version": "3.9.3",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "sideEffects": false,
@@ -13,9 +13,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.13",
-    "@polkadot/api": "3.9.2",
-    "@polkadot/rpc-core": "3.9.2",
-    "@polkadot/types": "3.9.2",
+    "@polkadot/api": "3.9.3",
+    "@polkadot/rpc-core": "3.9.3",
+    "@polkadot/types": "3.9.3",
     "@polkadot/util": "^5.6.2",
     "@polkadot/util-crypto": "^5.6.2",
     "@polkadot/x-rxjs": "^5.6.2",
@@ -23,6 +23,6 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^5.6.2",
-    "@polkadot/rpc-provider": "3.9.2"
+    "@polkadot/rpc-provider": "3.9.3"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index 2c0986d623..33f411451e 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "3.9.2",
+  "version": "3.9.3",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
   "sideEffects": [
@@ -16,13 +16,13 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.13",
-    "@polkadot/api-derive": "3.9.2",
+    "@polkadot/api-derive": "3.9.3",
     "@polkadot/keyring": "^5.6.2",
-    "@polkadot/metadata": "3.9.2",
-    "@polkadot/rpc-core": "3.9.2",
-    "@polkadot/rpc-provider": "3.9.2",
-    "@polkadot/types": "3.9.2",
-    "@polkadot/types-known": "3.9.2",
+    "@polkadot/metadata": "3.9.3",
+    "@polkadot/rpc-core": "3.9.3",
+    "@polkadot/rpc-provider": "3.9.3",
+    "@polkadot/types": "3.9.3",
+    "@polkadot/types-known": "3.9.3",
     "@polkadot/util": "^5.6.2",
     "@polkadot/util-crypto": "^5.6.2",
     "@polkadot/x-rxjs": "^5.6.2",
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index 8880eeefa0..0903be263e 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "3.9.2",
+  "version": "3.9.3",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "sideEffects": [
@@ -16,8 +16,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.13",
-    "@polkadot/types": "3.9.2",
-    "@polkadot/types-known": "3.9.2",
+    "@polkadot/types": "3.9.3",
+    "@polkadot/types-known": "3.9.3",
     "@polkadot/util": "^5.6.2",
     "@polkadot/util-crypto": "^5.6.2",
     "bn.js": "^4.11.9"
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 4b7dcfb4d6..257aff129c 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "3.9.2",
+  "version": "3.9.3",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "sideEffects": false,
@@ -13,9 +13,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.13",
-    "@polkadot/metadata": "3.9.2",
-    "@polkadot/rpc-provider": "3.9.2",
-    "@polkadot/types": "3.9.2",
+    "@polkadot/metadata": "3.9.3",
+    "@polkadot/rpc-provider": "3.9.3",
+    "@polkadot/types": "3.9.3",
     "@polkadot/util": "^5.6.2",
     "@polkadot/x-rxjs": "^5.6.2"
   },
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 532ba9330c..c7fd92e494 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "3.9.2",
+  "version": "3.9.3",
   "description": "Transport providers for the API",
   "main": "index.js",
   "sideEffects": false,
@@ -13,7 +13,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.13",
-    "@polkadot/types": "3.9.2",
+    "@polkadot/types": "3.9.3",
     "@polkadot/util": "^5.6.2",
     "@polkadot/util-crypto": "^5.6.2",
     "@polkadot/x-fetch": "^5.6.2",
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^5.6.2",
-    "@polkadot/metadata": "3.9.2",
+    "@polkadot/metadata": "3.9.3",
     "mock-socket": "^9.0.3",
     "nock": "^13.0.7"
   }
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index f760436811..2b2e512405 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "3.9.2",
+  "version": "3.9.3",
   "description": "Type generation scripts",
   "main": "index.js",
   "sideEffects": false,
@@ -22,10 +22,10 @@
     "@babel/core": "^7.12.13",
     "@babel/register": "^7.12.13",
     "@babel/runtime": "^7.12.13",
-    "@polkadot/api": "3.9.2",
-    "@polkadot/metadata": "3.9.2",
-    "@polkadot/rpc-provider": "3.9.2",
-    "@polkadot/types": "3.9.2",
+    "@polkadot/api": "3.9.3",
+    "@polkadot/metadata": "3.9.3",
+    "@polkadot/rpc-provider": "3.9.3",
+    "@polkadot/types": "3.9.3",
     "@polkadot/util": "^5.6.2",
     "handlebars": "^4.7.6",
     "websocket": "^1.0.33",
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index aa1fbf022e..7ef3dc714f 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-known",
-  "version": "3.9.2",
+  "version": "3.9.3",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "sideEffects": false,
@@ -14,7 +14,7 @@
   "dependencies": {
     "@babel/runtime": "^7.12.13",
     "@polkadot/networks": "^5.6.2",
-    "@polkadot/types": "3.9.2",
+    "@polkadot/types": "3.9.3",
     "@polkadot/util": "^5.6.2",
     "bn.js": "^4.11.9"
   },
diff --git a/packages/types/package.json b/packages/types/package.json
index a907f9920d..c61bab8cb7 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "3.9.2",
+  "version": "3.9.3",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "sideEffects": [
@@ -16,7 +16,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.13",
-    "@polkadot/metadata": "3.9.2",
+    "@polkadot/metadata": "3.9.3",
     "@polkadot/util": "^5.6.2",
     "@polkadot/util-crypto": "^5.6.2",
     "@polkadot/x-rxjs": "^5.6.2",
diff --git a/packages/types/src/interfaces/parachains/definitions.ts b/packages/types/src/interfaces/parachains/definitions.ts
index 38e85a8ea6..aaf20f48eb 100644
--- a/packages/types/src/interfaces/parachains/definitions.ts
+++ b/packages/types/src/interfaces/parachains/definitions.ts
@@ -254,10 +254,8 @@ export default {
     ParaValidatorIndex: 'u32',
     PersistedValidationData: {
       parentHead: 'HeadData',
-      blockNumber: 'RelayChainBlockNumber',
-      relayStorageRoot: 'Hash',
-      hrmpMqcHeads: 'Vec<(u32, Hash)>',
-      dmqMqcHead: 'Hash',
+      relayParentNumber: 'RelayChainBlockNumber',
+      relayParentStorageRoot: 'Hash',
       maxPovSize: 'u32'
     },
     RelayChainBlockNumber: 'u32',
diff --git a/packages/types/src/interfaces/parachains/types.ts b/packages/types/src/interfaces/parachains/types.ts
index baa1df4738..a36661a6b8 100644
--- a/packages/types/src/interfaces/parachains/types.ts
+++ b/packages/types/src/interfaces/parachains/types.ts
@@ -624,10 +624,8 @@ export interface ParaValidatorIndex extends u32 {}
 /** @name PersistedValidationData */
 export interface PersistedValidationData extends Struct {
   readonly parentHead: HeadData;
-  readonly blockNumber: RelayChainBlockNumber;
-  readonly relayStorageRoot: Hash;
-  readonly hrmpMqcHeads: Vec<ITuple<[u32, Hash]>>;
-  readonly dmqMqcHead: Hash;
+  readonly relayParentNumber: RelayChainBlockNumber;
+  readonly relayParentStorageRoot: Hash;
   readonly maxPovSize: u32;
 }
 
diff --git a/yarn.lock b/yarn.lock
index a3eb0e50e5..736168babc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1743,24 +1743,24 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.12.13
-    "@polkadot/api": 3.9.2
-    "@polkadot/types": 3.9.2
+    "@polkadot/api": 3.9.3
+    "@polkadot/types": 3.9.3
     "@polkadot/util": ^5.6.2
     "@polkadot/x-rxjs": ^5.6.2
     bn.js: ^4.11.9
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@3.9.2, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@3.9.3, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.12.13
-    "@polkadot/api": 3.9.2
+    "@polkadot/api": 3.9.3
     "@polkadot/keyring": ^5.6.2
-    "@polkadot/rpc-core": 3.9.2
-    "@polkadot/rpc-provider": 3.9.2
-    "@polkadot/types": 3.9.2
+    "@polkadot/rpc-core": 3.9.3
+    "@polkadot/rpc-provider": 3.9.3
+    "@polkadot/types": 3.9.3
     "@polkadot/util": ^5.6.2
     "@polkadot/util-crypto": ^5.6.2
     "@polkadot/x-rxjs": ^5.6.2
@@ -1768,18 +1768,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@3.9.2, @polkadot/api@workspace:packages/api":
+"@polkadot/api@3.9.3, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.12.13
-    "@polkadot/api-derive": 3.9.2
+    "@polkadot/api-derive": 3.9.3
     "@polkadot/keyring": ^5.6.2
-    "@polkadot/metadata": 3.9.2
-    "@polkadot/rpc-core": 3.9.2
-    "@polkadot/rpc-provider": 3.9.2
-    "@polkadot/types": 3.9.2
-    "@polkadot/types-known": 3.9.2
+    "@polkadot/metadata": 3.9.3
+    "@polkadot/rpc-core": 3.9.3
+    "@polkadot/rpc-provider": 3.9.3
+    "@polkadot/types": 3.9.3
+    "@polkadot/types-known": 3.9.3
     "@polkadot/util": ^5.6.2
     "@polkadot/util-crypto": ^5.6.2
     "@polkadot/x-rxjs": ^5.6.2
@@ -1893,14 +1893,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/metadata@3.9.2, @polkadot/metadata@workspace:packages/metadata":
+"@polkadot/metadata@3.9.3, @polkadot/metadata@workspace:packages/metadata":
   version: 0.0.0-use.local
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.12.13
     "@polkadot/keyring": ^5.6.2
-    "@polkadot/types": 3.9.2
-    "@polkadot/types-known": 3.9.2
+    "@polkadot/types": 3.9.3
+    "@polkadot/types-known": 3.9.3
     "@polkadot/util": ^5.6.2
     "@polkadot/util-crypto": ^5.6.2
     bn.js: ^4.11.9
@@ -1916,28 +1916,28 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/rpc-core@3.9.2, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@3.9.3, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.12.13
     "@polkadot/keyring": ^5.6.2
-    "@polkadot/metadata": 3.9.2
-    "@polkadot/rpc-provider": 3.9.2
-    "@polkadot/types": 3.9.2
+    "@polkadot/metadata": 3.9.3
+    "@polkadot/rpc-provider": 3.9.3
+    "@polkadot/types": 3.9.3
     "@polkadot/util": ^5.6.2
     "@polkadot/x-rxjs": ^5.6.2
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@3.9.2, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@3.9.3, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.12.13
     "@polkadot/keyring": ^5.6.2
-    "@polkadot/metadata": 3.9.2
-    "@polkadot/types": 3.9.2
+    "@polkadot/metadata": 3.9.3
+    "@polkadot/types": 3.9.3
     "@polkadot/util": ^5.6.2
     "@polkadot/util-crypto": ^5.6.2
     "@polkadot/x-fetch": ^5.6.2
@@ -1966,10 +1966,10 @@ __metadata:
     "@babel/core": ^7.12.13
     "@babel/register": ^7.12.13
     "@babel/runtime": ^7.12.13
-    "@polkadot/api": 3.9.2
-    "@polkadot/metadata": 3.9.2
-    "@polkadot/rpc-provider": 3.9.2
-    "@polkadot/types": 3.9.2
+    "@polkadot/api": 3.9.3
+    "@polkadot/metadata": 3.9.3
+    "@polkadot/rpc-provider": 3.9.3
+    "@polkadot/types": 3.9.3
     "@polkadot/util": ^5.6.2
     "@types/websocket": ^1.0.1
     "@types/yargs": ^16.0.0
@@ -1985,26 +1985,26 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@3.9.2, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@3.9.3, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.12.13
     "@polkadot/networks": ^5.6.2
-    "@polkadot/types": 3.9.2
+    "@polkadot/types": 3.9.3
     "@polkadot/util": ^5.6.2
     "@types/bn.js": ^4.11.6
     bn.js: ^4.11.9
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@3.9.2, @polkadot/types@workspace:packages/types":
+"@polkadot/types@3.9.3, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.12.13
     "@polkadot/keyring": ^5.6.2
-    "@polkadot/metadata": 3.9.2
+    "@polkadot/metadata": 3.9.3
     "@polkadot/util": ^5.6.2
     "@polkadot/util-crypto": ^5.6.2
     "@polkadot/x-rxjs": ^5.6.2