diff --git a/GoCardless/GoCardless.csproj b/GoCardless/GoCardless.csproj
index 45fec8a..ff6f39c 100644
--- a/GoCardless/GoCardless.csproj
+++ b/GoCardless/GoCardless.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <PackageId>GoCardless</PackageId>
-    <PackageVersion>3.5.1</PackageVersion>
+    <PackageVersion>3.5.2</PackageVersion>
     <Authors>GoCardless Ltd</Authors>
     <Description>Client for the GoCardless API - a powerful, simple solution for the collection of recurring bank-to-bank payments</Description>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
@@ -11,7 +11,7 @@
     <Copyright>GoCardless Ltd</Copyright>
     <PackageTags>gocardless payments rest api direct debit</PackageTags>
     <PackageLicenseUrl>https://github.com/gocardless/gocardless-dotnet/blob/master/LICENSE.txt</PackageLicenseUrl>
-    <PackageReleaseNotes>https://github.com/gocardless/gocardless-dotnet/releases/tag/v3.5.1</PackageReleaseNotes>
+    <PackageReleaseNotes>https://github.com/gocardless/gocardless-dotnet/releases/tag/v3.5.2</PackageReleaseNotes>
     <TargetFrameworks>netstandard1.6;netstandard2.0;net46</TargetFrameworks>
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
diff --git a/GoCardless/GoCardlessClient.cs b/GoCardless/GoCardlessClient.cs
index c6d00a5..e138f86 100644
--- a/GoCardless/GoCardlessClient.cs
+++ b/GoCardless/GoCardlessClient.cs
@@ -252,9 +252,9 @@ private HttpRequestMessage BuildHttpRequestMessage<T>(string method, string path
             var httpMethod = new HttpMethod(method);
 
             var requestMessage = new HttpRequestMessage(httpMethod, new Uri(_baseUrl, path));
-            requestMessage.Headers.Add("User-Agent", "gocardless-dotnet/3.5.1");
+            requestMessage.Headers.Add("User-Agent", "gocardless-dotnet/3.5.2");
             requestMessage.Headers.Add("GoCardless-Version", "2015-07-06");
-            requestMessage.Headers.Add("GoCardless-Client-Version", "3.5.1");
+            requestMessage.Headers.Add("GoCardless-Client-Version", "3.5.2");
             requestMessage.Headers.Add("GoCardless-Client-Library", "gocardless-dotnet");
             requestMessage.Headers.Authorization =
                 new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", _accessToken);
diff --git a/GoCardless/Resources/Event.cs b/GoCardless/Resources/Event.cs
index 88f0a40..a1b1c02 100644
--- a/GoCardless/Resources/Event.cs
+++ b/GoCardless/Resources/Event.cs
@@ -149,6 +149,13 @@ public enum EventCustomerNotificationType {
 
     public class EventDetails
     {
+        /// <summary>
+        /// When we send a creditor `new_payout_currency_added` webhook, we also
+        /// send the bank account id of the new account
+        /// </summary>
+        [JsonProperty("bank_account_id")]
+        public string BankAccountId { get; set; }
+
         /// <summary>
         /// What triggered the event. _Note:_ `cause` is our simplified and
         /// predictable key indicating what triggered the event.
@@ -156,6 +163,13 @@ public class EventDetails
         [JsonProperty("cause")]
         public string Cause { get; set; }
 
+        /// <summary>
+        /// When we send a creditor `new_payout_currency_added` webhook, we also
+        /// send the currency of the new account
+        /// </summary>
+        [JsonProperty("currency")]
+        public string Currency { get; set; }
+
         /// <summary>
         /// Human readable description of the cause. _Note:_ Changes to event
         /// descriptions are not considered breaking.
@@ -176,6 +190,13 @@ public class EventDetails
         [JsonProperty("origin")]
         public EventDetailsOrigin? Origin { get; set; }
 
+        /// <summary>
+        /// When we send a creditor `creditor_updated` webhook, this tells you
+        /// which property on the creditor has been updated
+        /// </summary>
+        [JsonProperty("property")]
+        public string Property { get; set; }
+
         /// <summary>
         /// Set when a `bank` is the origin of the event. This is the reason
         /// code received in the report from the customer's bank. See the
diff --git a/README.md b/README.md
index fce2d67..d4e23af 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ For full details of the GoCardless API, see the [API docs](https://developer.goc
 
 To install `GoCardless`, run the following command in the [Package Manager Console](https://docs.microsoft.com/en-us/nuget/tools/package-manager-console)
 
-`Install-Package GoCardless -Version 3.5.1`
+`Install-Package GoCardless -Version 3.5.2`
 
 
 ## Usage