diff --git a/package-lock.json b/package-lock.json
index 1a9b2593..80f938f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "cardano-serialization-lib",
-  "version": "9.0.0-beta.1",
+  "version": "9.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index ba7d1ef3..1186c59e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cardano-serialization-lib",
-  "version": "9.0.0-beta.1",
+  "version": "9.0.0",
   "description": "(De)serialization functions for the Cardano blockchain along with related utility functions",
   "scripts": {
     "rust:build-nodejs": "rimraf ./rust/pkg && cd rust; wasm-pack build --target=nodejs; wasm-pack pack; cd .. && npm run js:flowgen",
diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 0b8e2de0..31c6e2a6 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -50,7 +50,7 @@ checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
 [[package]]
 name = "cardano-serialization-lib"
-version = "9.0.0-beta.1"
+version = "9.0.0"
 dependencies = [
  "bech32",
  "cbor_event",
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index e2e529c4..a92f9e56 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cardano-serialization-lib"
-version = "9.0.0-beta.1"
+version = "9.0.0"
 edition = "2018"
 authors = ["EMURGO"]
 license = "MIT"
diff --git a/rust/pkg/cardano_serialization_lib.js.flow b/rust/pkg/cardano_serialization_lib.js.flow
index 950cd8e2..091d024d 100644
--- a/rust/pkg/cardano_serialization_lib.js.flow
+++ b/rust/pkg/cardano_serialization_lib.js.flow
@@ -122,6 +122,24 @@ declare export function hash_transaction(
   tx_body: TransactionBody
 ): TransactionHash;
 
+/**
+ * @param {PlutusData} plutus_data
+ * @returns {DataHash}
+ */
+declare export function hash_plutus_data(plutus_data: PlutusData): DataHash;
+
+/**
+ * @param {Redeemers} redeemers
+ * @param {Costmdls} cost_models
+ * @param {PlutusList | void} datums
+ * @returns {ScriptDataHash}
+ */
+declare export function hash_script_data(
+  redeemers: Redeemers,
+  cost_models: Costmdls,
+  datums?: PlutusList
+): ScriptDataHash;
+
 /**
  * @param {TransactionBody} txbody
  * @param {BigNum} pool_deposit
@@ -2891,6 +2909,17 @@ declare export class PlutusData {
 declare export class PlutusList {
   free(): void;
 
+  /**
+   * @returns {Uint8Array}
+   */
+  to_bytes(): Uint8Array;
+
+  /**
+   * @param {Uint8Array} bytes
+   * @returns {PlutusList}
+   */
+  static from_bytes(bytes: Uint8Array): PlutusList;
+
   /**
    * @returns {PlutusList}
    */
@@ -3864,6 +3893,17 @@ declare export class RedeemerTag {
 declare export class Redeemers {
   free(): void;
 
+  /**
+   * @returns {Uint8Array}
+   */
+  to_bytes(): Uint8Array;
+
+  /**
+   * @param {Uint8Array} bytes
+   * @returns {Redeemers}
+   */
+  static from_bytes(bytes: Uint8Array): Redeemers;
+
   /**
    * @returns {Redeemers}
    */
@@ -4963,11 +5003,6 @@ declare export class TransactionBuilder {
    */
   output_sizes(): Uint32Array;
 
-  /**
-   * @returns {Uint32Array}
-   */
-  output_value_sizes(): Uint32Array;
-
   /**
    * @returns {TransactionBody}
    */