diff --git a/openapitools.json b/openapitools.json
index 6f7db3e8..c1214330 100644
--- a/openapitools.json
+++ b/openapitools.json
@@ -2,6 +2,6 @@
   "$schema": "./node_modules/@openapitools/openapi-generator-cli/config.schema.json",
   "spaces": 2,
   "generator-cli": {
-    "version": "7.12.0"
+    "version": "7.20.0"
   }
 }
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 0c5571e8..6210b166 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -12,4 +12,9 @@ serde_with = { version = "^3.8", default-features = false, features = ["base64",
 serde_json = "^1.0"
 serde_repr = "^0.1"
 url = "^2.5"
-reqwest = { version = "^0.12", features = ["json", "multipart"] }
+reqwest = { version = "^0.13", default-features = false, features = ["json", "multipart", "query", "form"] }
+
+[features]
+default = ["native-tls"]
+native-tls = ["reqwest/native-tls"]
+rustls = ["reqwest/rustls"]
diff --git a/rust/README.md b/rust/README.md
index 14c1f9f4..80f8676b 100644
--- a/rust/README.md
+++ b/rust/README.md
@@ -217,7 +217,7 @@ This API client was generated by the [OpenAPI Generator](https://openapi-generat
 
 - API version: 0.1.86
 - Package version: 0.1.86
-- Generator version: 7.12.0
+- Generator version: 7.20.0
 - Build package: `org.openapitools.codegen.languages.RustClientCodegen`
 
 ## Installation
diff --git a/rust/src/models/asset_onchain_metadata_cip25_description.rs b/rust/src/models/asset_onchain_metadata_cip25_description.rs
index da1b9e6f..b7fa0dcf 100644
--- a/rust/src/models/asset_onchain_metadata_cip25_description.rs
+++ b/rust/src/models/asset_onchain_metadata_cip25_description.rs
@@ -17,7 +17,7 @@ use serde::{Deserialize, Serialize};
 #[serde(untagged)]
 pub enum AssetOnchainMetadataCip25Description {
     String(String),
-    Array(Vec<String>),
+    ArrayVecString(Vec<String>),
 }
 
 impl Default for AssetOnchainMetadataCip25Description {
diff --git a/rust/src/models/asset_onchain_metadata_cip25_files_inner_src.rs b/rust/src/models/asset_onchain_metadata_cip25_files_inner_src.rs
index 4cbe44ae..0c2ec8c9 100644
--- a/rust/src/models/asset_onchain_metadata_cip25_files_inner_src.rs
+++ b/rust/src/models/asset_onchain_metadata_cip25_files_inner_src.rs
@@ -17,7 +17,7 @@ use serde::{Deserialize, Serialize};
 #[serde(untagged)]
 pub enum AssetOnchainMetadataCip25FilesInnerSrc {
     String(String),
-    Array(Vec<String>),
+    ArrayVecString(Vec<String>),
 }
 
 impl Default for AssetOnchainMetadataCip25FilesInnerSrc {
diff --git a/rust/src/models/asset_onchain_metadata_cip25_image.rs b/rust/src/models/asset_onchain_metadata_cip25_image.rs
index 961b538d..a8843115 100644
--- a/rust/src/models/asset_onchain_metadata_cip25_image.rs
+++ b/rust/src/models/asset_onchain_metadata_cip25_image.rs
@@ -17,7 +17,7 @@ use serde::{Deserialize, Serialize};
 #[serde(untagged)]
 pub enum AssetOnchainMetadataCip25Image {
     String(String),
-    Array(Vec<String>),
+    ArrayVecString(Vec<String>),
 }
 
 impl Default for AssetOnchainMetadataCip25Image {
diff --git a/rust/src/models/register_signer_message.rs b/rust/src/models/register_signer_message.rs
index eeed828e..dd0dbd07 100644
--- a/rust/src/models/register_signer_message.rs
+++ b/rust/src/models/register_signer_message.rs
@@ -13,13 +13,9 @@ use serde::{Deserialize, Serialize};
 
 use serde_with::serde_as;
 
-/// RegisterSignerMessage : This message represents a signing participant in the network.
 #[serde_as]
 #[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
 pub struct RegisterSignerMessage {
-    /// Cardano chain epoch number
-    #[serde(rename = "epoch", skip_serializing_if = "Option::is_none")]
-    pub epoch: Option<i64>,
     /// The unique identifier of the signer
     #[serde(rename = "party_id")]
     pub party_id: String,
@@ -38,18 +34,20 @@ pub struct RegisterSignerMessage {
     /// The number of updates of the KES secret key that signed the verification key
     #[serde(rename = "kes_period", skip_serializing_if = "Option::is_none")]
     pub kes_period: Option<i64>,
+    /// Cardano chain epoch number
+    #[serde(rename = "epoch", skip_serializing_if = "Option::is_none")]
+    pub epoch: Option<i64>,
 }
 
 impl RegisterSignerMessage {
-    /// This message represents a signing participant in the network.
     pub fn new(party_id: String, verification_key: Vec<u8>) -> RegisterSignerMessage {
         RegisterSignerMessage {
-            epoch: None,
             party_id,
             verification_key,
             verification_key_signature: None,
             operational_certificate: None,
             kes_period: None,
+            epoch: None,
         }
     }
 }
diff --git a/rust/src/models/signer_registrations_list_item_message.rs b/rust/src/models/signer_registrations_list_item_message.rs
index f1c708d0..ecb73f0f 100644
--- a/rust/src/models/signer_registrations_list_item_message.rs
+++ b/rust/src/models/signer_registrations_list_item_message.rs
@@ -11,23 +11,21 @@
 use crate::models;
 use serde::{Deserialize, Serialize};
 
-/// SignerRegistrationsListItemMessage : represents an item of a SignerRegistrationsMessage registration
 #[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
 pub struct SignerRegistrationsListItemMessage {
-    /// The unique identifier of the signer
-    #[serde(rename = "party_id", skip_serializing_if = "Option::is_none")]
-    pub party_id: Option<String>,
     /// Stake share as computed in the 'stake distribution' by the Cardano Node, multiplied by a billion (1.0e9)
     #[serde(rename = "stake")]
     pub stake: i64,
+    /// The unique identifier of the signer
+    #[serde(rename = "party_id", skip_serializing_if = "Option::is_none")]
+    pub party_id: Option<String>,
 }
 
 impl SignerRegistrationsListItemMessage {
-    /// represents an item of a SignerRegistrationsMessage registration
     pub fn new(stake: i64) -> SignerRegistrationsListItemMessage {
         SignerRegistrationsListItemMessage {
-            party_id: None,
             stake,
+            party_id: None,
         }
     }
 }