diff --git a/README.md b/README.md
index 1cf70252..7b4b03a4 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: 54.3.0
+Latest API and SDK version: 55.0.0
 
 ## Requirements
 
@@ -28,7 +28,7 @@ Add this dependency to your project's POM:
 <dependency>
   <groupId>com.segment.publicapi</groupId>
   <artifactId>segment-publicapi</artifactId>
-  <version>54.3.0</version>
+  <version>55.0.0</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:54.3.0"
+     implementation "com.segment.publicapi:segment-publicapi:55.0.0"
   }
 ```
 
@@ -58,7 +58,7 @@ mvn clean package
 
 Then manually install the following JARs:
 
-* `target/segment-publicapi-54.3.0.jar`
+* `target/segment-publicapi-55.0.0.jar`
 * `target/lib/*.jar`
 
 You are now ready to start making calls to Public API!
diff --git a/pom.xml b/pom.xml
index d483c809..63301ac0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <artifactId>segment-publicapi</artifactId>
     <packaging>jar</packaging>
     <name>segment-publicapi</name>
-    <version>54.3.0</version>
+    <version>55.0.0</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 3344eb27..09c49e4a 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 54.3.0 (Java)");
+        setUserAgent("Public API SDK 55.0.0 (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 ee0b0c2f..987ef005 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 = "54.3.0";
+    public static final String VERSION = "55.0.0";
 
     private static ApiClient defaultApiClient = new ApiClient();
 
diff --git a/src/main/java/com/segment/publicapi/models/CreateTransformationV1Input.java b/src/main/java/com/segment/publicapi/models/CreateTransformationV1Input.java
index 09b1758c..ae2ef47d 100644
--- a/src/main/java/com/segment/publicapi/models/CreateTransformationV1Input.java
+++ b/src/main/java/com/segment/publicapi/models/CreateTransformationV1Input.java
@@ -57,6 +57,11 @@ public class CreateTransformationV1Input {
     @SerializedName(SERIALIZED_NAME_IF)
     private String _if;
 
+    public static final String SERIALIZED_NAME_DROP = "drop";
+
+    @SerializedName(SERIALIZED_NAME_DROP)
+    private Boolean drop;
+
     public static final String SERIALIZED_NAME_NEW_EVENT_NAME = "newEventName";
 
     @SerializedName(SERIALIZED_NAME_NEW_EVENT_NAME)
@@ -195,6 +200,27 @@ public void setIf(String _if) {
         this._if = _if;
     }
 
+    public CreateTransformationV1Input drop(Boolean drop) {
+
+        this.drop = drop;
+        return this;
+    }
+
+    /**
+     * Optional boolean value if the Transformation should drop the event entirely when the if
+     * statement matches, ignores all other transforms.
+     *
+     * @return drop
+     */
+    @javax.annotation.Nullable
+    public Boolean getDrop() {
+        return drop;
+    }
+
+    public void setDrop(Boolean drop) {
+        this.drop = drop;
+    }
+
     public CreateTransformationV1Input newEventName(String newEventName) {
 
         this.newEventName = newEventName;
@@ -373,6 +399,7 @@ public boolean equals(Object o) {
                         createTransformationV1Input.destinationMetadataId)
                 && Objects.equals(this.enabled, createTransformationV1Input.enabled)
                 && Objects.equals(this._if, createTransformationV1Input._if)
+                && Objects.equals(this.drop, createTransformationV1Input.drop)
                 && Objects.equals(this.newEventName, createTransformationV1Input.newEventName)
                 && Objects.equals(this.propertyRenames, createTransformationV1Input.propertyRenames)
                 && Objects.equals(
@@ -394,6 +421,7 @@ public int hashCode() {
                 destinationMetadataId,
                 enabled,
                 _if,
+                drop,
                 newEventName,
                 propertyRenames,
                 propertyValueTransformations,
@@ -413,6 +441,7 @@ public String toString() {
                 .append("\n");
         sb.append("    enabled: ").append(toIndentedString(enabled)).append("\n");
         sb.append("    _if: ").append(toIndentedString(_if)).append("\n");
+        sb.append("    drop: ").append(toIndentedString(drop)).append("\n");
         sb.append("    newEventName: ").append(toIndentedString(newEventName)).append("\n");
         sb.append("    propertyRenames: ").append(toIndentedString(propertyRenames)).append("\n");
         sb.append("    propertyValueTransformations: ")
@@ -451,6 +480,7 @@ private String toIndentedString(Object o) {
         openapiFields.add("destinationMetadataId");
         openapiFields.add("enabled");
         openapiFields.add("if");
+        openapiFields.add("drop");
         openapiFields.add("newEventName");
         openapiFields.add("propertyRenames");
         openapiFields.add("propertyValueTransformations");
diff --git a/src/main/java/com/segment/publicapi/models/TransformationV1.java b/src/main/java/com/segment/publicapi/models/TransformationV1.java
index 7d9380a7..6bbc7712 100644
--- a/src/main/java/com/segment/publicapi/models/TransformationV1.java
+++ b/src/main/java/com/segment/publicapi/models/TransformationV1.java
@@ -62,6 +62,11 @@ public class TransformationV1 {
     @SerializedName(SERIALIZED_NAME_IF)
     private String _if;
 
+    public static final String SERIALIZED_NAME_DROP = "drop";
+
+    @SerializedName(SERIALIZED_NAME_DROP)
+    private Boolean drop;
+
     public static final String SERIALIZED_NAME_NEW_EVENT_NAME = "newEventName";
 
     @SerializedName(SERIALIZED_NAME_NEW_EVENT_NAME)
@@ -220,6 +225,27 @@ public void setIf(String _if) {
         this._if = _if;
     }
 
+    public TransformationV1 drop(Boolean drop) {
+
+        this.drop = drop;
+        return this;
+    }
+
+    /**
+     * Optional boolean value if the Transformation should drop the event entirely when the if
+     * statement matches, ignores all other transforms.
+     *
+     * @return drop
+     */
+    @javax.annotation.Nullable
+    public Boolean getDrop() {
+        return drop;
+    }
+
+    public void setDrop(Boolean drop) {
+        this.drop = drop;
+    }
+
     public TransformationV1 newEventName(String newEventName) {
 
         this.newEventName = newEventName;
@@ -395,6 +421,7 @@ public boolean equals(Object o) {
                         this.destinationMetadataId, transformationV1.destinationMetadataId)
                 && Objects.equals(this.enabled, transformationV1.enabled)
                 && Objects.equals(this._if, transformationV1._if)
+                && Objects.equals(this.drop, transformationV1.drop)
                 && Objects.equals(this.newEventName, transformationV1.newEventName)
                 && Objects.equals(this.propertyRenames, transformationV1.propertyRenames)
                 && Objects.equals(
@@ -416,6 +443,7 @@ public int hashCode() {
                 destinationMetadataId,
                 enabled,
                 _if,
+                drop,
                 newEventName,
                 propertyRenames,
                 propertyValueTransformations,
@@ -436,6 +464,7 @@ public String toString() {
                 .append("\n");
         sb.append("    enabled: ").append(toIndentedString(enabled)).append("\n");
         sb.append("    _if: ").append(toIndentedString(_if)).append("\n");
+        sb.append("    drop: ").append(toIndentedString(drop)).append("\n");
         sb.append("    newEventName: ").append(toIndentedString(newEventName)).append("\n");
         sb.append("    propertyRenames: ").append(toIndentedString(propertyRenames)).append("\n");
         sb.append("    propertyValueTransformations: ")
@@ -475,6 +504,7 @@ private String toIndentedString(Object o) {
         openapiFields.add("destinationMetadataId");
         openapiFields.add("enabled");
         openapiFields.add("if");
+        openapiFields.add("drop");
         openapiFields.add("newEventName");
         openapiFields.add("propertyRenames");
         openapiFields.add("propertyValueTransformations");
diff --git a/src/main/java/com/segment/publicapi/models/UpdateTransformationV1Input.java b/src/main/java/com/segment/publicapi/models/UpdateTransformationV1Input.java
index 3e0c1231..ff9bacae 100644
--- a/src/main/java/com/segment/publicapi/models/UpdateTransformationV1Input.java
+++ b/src/main/java/com/segment/publicapi/models/UpdateTransformationV1Input.java
@@ -57,6 +57,11 @@ public class UpdateTransformationV1Input {
     @SerializedName(SERIALIZED_NAME_IF)
     private String _if;
 
+    public static final String SERIALIZED_NAME_DROP = "drop";
+
+    @SerializedName(SERIALIZED_NAME_DROP)
+    private Boolean drop;
+
     public static final String SERIALIZED_NAME_NEW_EVENT_NAME = "newEventName";
 
     @SerializedName(SERIALIZED_NAME_NEW_EVENT_NAME)
@@ -195,6 +200,27 @@ public void setIf(String _if) {
         this._if = _if;
     }
 
+    public UpdateTransformationV1Input drop(Boolean drop) {
+
+        this.drop = drop;
+        return this;
+    }
+
+    /**
+     * Optional boolean value if the Transformation should drop the event entirely when the if
+     * statement matches, ignores all other transforms.
+     *
+     * @return drop
+     */
+    @javax.annotation.Nullable
+    public Boolean getDrop() {
+        return drop;
+    }
+
+    public void setDrop(Boolean drop) {
+        this.drop = drop;
+    }
+
     public UpdateTransformationV1Input newEventName(String newEventName) {
 
         this.newEventName = newEventName;
@@ -373,6 +399,7 @@ public boolean equals(Object o) {
                         updateTransformationV1Input.destinationMetadataId)
                 && Objects.equals(this.enabled, updateTransformationV1Input.enabled)
                 && Objects.equals(this._if, updateTransformationV1Input._if)
+                && Objects.equals(this.drop, updateTransformationV1Input.drop)
                 && Objects.equals(this.newEventName, updateTransformationV1Input.newEventName)
                 && Objects.equals(this.propertyRenames, updateTransformationV1Input.propertyRenames)
                 && Objects.equals(
@@ -394,6 +421,7 @@ public int hashCode() {
                 destinationMetadataId,
                 enabled,
                 _if,
+                drop,
                 newEventName,
                 propertyRenames,
                 propertyValueTransformations,
@@ -413,6 +441,7 @@ public String toString() {
                 .append("\n");
         sb.append("    enabled: ").append(toIndentedString(enabled)).append("\n");
         sb.append("    _if: ").append(toIndentedString(_if)).append("\n");
+        sb.append("    drop: ").append(toIndentedString(drop)).append("\n");
         sb.append("    newEventName: ").append(toIndentedString(newEventName)).append("\n");
         sb.append("    propertyRenames: ").append(toIndentedString(propertyRenames)).append("\n");
         sb.append("    propertyValueTransformations: ")
@@ -451,6 +480,7 @@ private String toIndentedString(Object o) {
         openapiFields.add("destinationMetadataId");
         openapiFields.add("enabled");
         openapiFields.add("if");
+        openapiFields.add("drop");
         openapiFields.add("newEventName");
         openapiFields.add("propertyRenames");
         openapiFields.add("propertyValueTransformations");