diff --git a/README.md b/README.md
index d256b534..f1457c87 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ All endpoints in the API follow REST conventions and use standard HTTP methods.
 
 See the next sections for more information on how to use the Segment Public API Java SDK.
 
-Latest API and SDK version: 50.3.0
+Latest API and SDK version: 51.0.0
 
 ## Requirements
 
@@ -28,7 +28,7 @@ Add this dependency to your project's POM:
 <dependency>
   <groupId>com.segment.publicapi</groupId>
   <artifactId>segment-publicapi</artifactId>
-  <version>50.3.0</version>
+  <version>51.0.0</version>
   <scope>compile</scope>
 </dependency>
 ```
@@ -44,7 +44,7 @@ Add this dependency to your project's build file:
   }
 
   dependencies {
-     implementation "com.segment.publicapi:segment-publicapi:50.3.0"
+     implementation "com.segment.publicapi:segment-publicapi:51.0.0"
   }
 ```
 
@@ -58,7 +58,7 @@ mvn clean package
 
 Then manually install the following JARs:
 
-* `target/segment-publicapi-50.3.0.jar`
+* `target/segment-publicapi-51.0.0.jar`
 * `target/lib/*.jar`
 
 You are now ready to start making calls to Public API!
diff --git a/pom.xml b/pom.xml
index 209f9a07..b46c8052 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <artifactId>segment-publicapi</artifactId>
     <packaging>jar</packaging>
     <name>segment-publicapi</name>
-    <version>50.3.0</version>
+    <version>51.0.0</version>
     <url>https://segment.com/docs/api/public-api/</url>
     <description>Segment Public API</description>
     <scm>
diff --git a/src/main/java/com/segment/publicapi/ApiClient.java b/src/main/java/com/segment/publicapi/ApiClient.java
index 4276a3f5..9477e0be 100644
--- a/src/main/java/com/segment/publicapi/ApiClient.java
+++ b/src/main/java/com/segment/publicapi/ApiClient.java
@@ -123,7 +123,7 @@ private void init() {
         json = new JSON();
 
         // Set default User-Agent.
-        setUserAgent("Public API SDK 50.3.0 (Java)");
+        setUserAgent("Public API SDK 51.0.0 (Java)");
 
         authentications = new HashMap<String, Authentication>();
     }
diff --git a/src/main/java/com/segment/publicapi/Configuration.java b/src/main/java/com/segment/publicapi/Configuration.java
index d8f15312..6325773f 100644
--- a/src/main/java/com/segment/publicapi/Configuration.java
+++ b/src/main/java/com/segment/publicapi/Configuration.java
@@ -12,7 +12,7 @@
 package com.segment.publicapi;
 
 public class Configuration {
-    public static final String VERSION = "50.3.0";
+    public static final String VERSION = "51.0.0";
 
     private static ApiClient defaultApiClient = new ApiClient();
 
diff --git a/src/main/java/com/segment/publicapi/models/DestinationMetadataActionFieldV1.java b/src/main/java/com/segment/publicapi/models/DestinationMetadataActionFieldV1.java
index a22f558b..2fb18617 100644
--- a/src/main/java/com/segment/publicapi/models/DestinationMetadataActionFieldV1.java
+++ b/src/main/java/com/segment/publicapi/models/DestinationMetadataActionFieldV1.java
@@ -158,6 +158,11 @@ public TypeEnum read(final JsonReader jsonReader) throws IOException {
     @SerializedName(SERIALIZED_NAME_ALLOW_NULL)
     private Boolean allowNull;
 
+    public static final String SERIALIZED_NAME_HIDDEN = "hidden";
+
+    @SerializedName(SERIALIZED_NAME_HIDDEN)
+    private Boolean hidden;
+
     public DestinationMetadataActionFieldV1() {}
 
     public DestinationMetadataActionFieldV1 id(String id) {
@@ -423,6 +428,26 @@ public void setAllowNull(Boolean allowNull) {
         this.allowNull = allowNull;
     }
 
+    public DestinationMetadataActionFieldV1 hidden(Boolean hidden) {
+
+        this.hidden = hidden;
+        return this;
+    }
+
+    /**
+     * Whether the action field should be hidden or not.
+     *
+     * @return hidden
+     */
+    @javax.annotation.Nullable
+    public Boolean getHidden() {
+        return hidden;
+    }
+
+    public void setHidden(Boolean hidden) {
+        this.hidden = hidden;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) {
@@ -445,7 +470,8 @@ public boolean equals(Object o) {
                 && Objects.equals(this.multiple, destinationMetadataActionFieldV1.multiple)
                 && Objects.equals(this.choices, destinationMetadataActionFieldV1.choices)
                 && Objects.equals(this.dynamic, destinationMetadataActionFieldV1.dynamic)
-                && Objects.equals(this.allowNull, destinationMetadataActionFieldV1.allowNull);
+                && Objects.equals(this.allowNull, destinationMetadataActionFieldV1.allowNull)
+                && Objects.equals(this.hidden, destinationMetadataActionFieldV1.hidden);
     }
 
     private static <T> boolean equalsNullable(JsonNullable<T> a, JsonNullable<T> b) {
@@ -472,7 +498,8 @@ public int hashCode() {
                 multiple,
                 choices,
                 dynamic,
-                allowNull);
+                allowNull,
+                hidden);
     }
 
     private static <T> int hashCodeNullable(JsonNullable<T> a) {
@@ -499,6 +526,7 @@ public String toString() {
         sb.append("    choices: ").append(toIndentedString(choices)).append("\n");
         sb.append("    dynamic: ").append(toIndentedString(dynamic)).append("\n");
         sb.append("    allowNull: ").append(toIndentedString(allowNull)).append("\n");
+        sb.append("    hidden: ").append(toIndentedString(hidden)).append("\n");
         sb.append("}");
         return sb.toString();
     }
@@ -533,6 +561,7 @@ private String toIndentedString(Object o) {
         openapiFields.add("choices");
         openapiFields.add("dynamic");
         openapiFields.add("allowNull");
+        openapiFields.add("hidden");
 
         // a set of required properties/fields (JSON key names)
         openapiRequiredFields = new HashSet<String>();