diff --git a/.sdk-version b/.sdk-version
index 017d61f..64d4aab 100644
--- a/.sdk-version
+++ b/.sdk-version
@@ -1 +1 @@
-v3.13.0
+v3.15.0
diff --git a/README.md b/README.md
index 14e1500..5679514 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Add this dependency to your project's POM:
 <dependency>
     <groupId>ai.reveng</groupId>
     <artifactId>sdk</artifactId>
-    <version>3.13.0</version>
+    <version>3.15.0</version>
     <scope>compile</scope>
 </dependency>
 ```
@@ -31,7 +31,7 @@ repositories {
 }
 
 dependencies {
-    implementation "ai.reveng:sdk:3.13.0"
+    implementation "ai.reveng:sdk:3.15.0"
 }
 ```
 
diff --git a/build.gradle b/build.gradle
index 14fedf6..b528e78 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,7 +19,7 @@ apply plugin: 'java'
 apply plugin: 'com.diffplug.spotless'
 
 group = 'ai.reveng'
-version = '3.13.0'
+version = '3.15.0'
 
 
 
@@ -171,7 +171,7 @@ mavenPublishing {
     publishToMavenCentral(true)
     signAllPublications()
 
-    coordinates("ai.reveng", "sdk", "3.13.0")
+    coordinates("ai.reveng", "sdk", "3.15.0")
 
     pom {
         name = "sdk"
diff --git a/build.sbt b/build.sbt
index deb1ee4..5667aab 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,7 +2,7 @@ lazy val root = (project in file(".")).
   settings(
     organization := "ai.reveng",
     name := "sdk",
-    version := "3.13.0",
+    version := "3.15.0",
     scalaVersion := "2.11.12",
     scalacOptions ++= Seq("-feature"),
     compile / javacOptions ++= Seq("-Xlint:deprecation"),
diff --git a/pom.xml b/pom.xml
index 480b93f..e08bd9a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <artifactId>sdk</artifactId>
     <packaging>jar</packaging>
     <name>sdk</name>
-    <version>3.13.0</version>
+    <version>3.15.0</version>
     <url>https://github.com/RevEngAI/sdk-java</url>
     <description>Java SDK for the RevEng.AI API</description>
     <scm>
diff --git a/src/main/java/ai/reveng/invoker/ApiClient.java b/src/main/java/ai/reveng/invoker/ApiClient.java
index 6345f0d..c944d3a 100644
--- a/src/main/java/ai/reveng/invoker/ApiClient.java
+++ b/src/main/java/ai/reveng/invoker/ApiClient.java
@@ -146,7 +146,7 @@ protected void init() {
         json = new JSON();
 
         // Set default User-Agent.
-        setUserAgent("OpenAPI-Generator/3.13.0/java");
+        setUserAgent("OpenAPI-Generator/3.15.0/java");
 
         authentications = new HashMap<String, Authentication>();
     }
diff --git a/src/main/java/ai/reveng/invoker/Configuration.java b/src/main/java/ai/reveng/invoker/Configuration.java
index 4b4c618..af9a99b 100644
--- a/src/main/java/ai/reveng/invoker/Configuration.java
+++ b/src/main/java/ai/reveng/invoker/Configuration.java
@@ -18,7 +18,7 @@
 
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen")
 public class Configuration {
-  public static final String VERSION = "3.13.0";
+  public static final String VERSION = "3.15.0";
 
   private static final AtomicReference<ApiClient> defaultApiClient = new AtomicReference<>();
   private static volatile Supplier<ApiClient> apiClientFactory = ApiClient::new;
diff --git a/src/main/java/ai/reveng/model/BinaryDetailsResponse.java b/src/main/java/ai/reveng/model/BinaryDetailsResponse.java
index c3ffac1..4be2537 100644
--- a/src/main/java/ai/reveng/model/BinaryDetailsResponse.java
+++ b/src/main/java/ai/reveng/model/BinaryDetailsResponse.java
@@ -115,7 +115,7 @@ public class BinaryDetailsResponse {
 
   public static final String SERIALIZED_NAME_SSDEEP = "ssdeep";
   @SerializedName(SERIALIZED_NAME_SSDEEP)
-  @javax.annotation.Nonnull
+  @javax.annotation.Nullable
   private String ssdeep;
 
   public static final String SERIALIZED_NAME_STATIC = "static";
@@ -384,7 +384,7 @@ public void setSha256(@javax.annotation.Nonnull String sha256) {
   }
 
 
-  public BinaryDetailsResponse ssdeep(@javax.annotation.Nonnull String ssdeep) {
+  public BinaryDetailsResponse ssdeep(@javax.annotation.Nullable String ssdeep) {
     this.ssdeep = ssdeep;
     return this;
   }
@@ -393,12 +393,12 @@ public BinaryDetailsResponse ssdeep(@javax.annotation.Nonnull String ssdeep) {
    * Get ssdeep
    * @return ssdeep
    */
-  @javax.annotation.Nonnull
+  @javax.annotation.Nullable
   public String getSsdeep() {
     return ssdeep;
   }
 
-  public void setSsdeep(@javax.annotation.Nonnull String ssdeep) {
+  public void setSsdeep(@javax.annotation.Nullable String ssdeep) {
     this.ssdeep = ssdeep;
   }
 
@@ -717,7 +717,7 @@ public static void validateJsonElement(JsonElement jsonElement) throws IOExcepti
       if (!jsonObj.get("sha256").isJsonPrimitive()) {
         throw new IllegalArgumentException(String.format(Locale.ROOT, "Expected the field `sha256` to be a primitive type in the JSON string but got `%s`", jsonObj.get("sha256").toString()));
       }
-      if (!jsonObj.get("ssdeep").isJsonPrimitive()) {
+      if ((jsonObj.get("ssdeep") != null && !jsonObj.get("ssdeep").isJsonNull()) && !jsonObj.get("ssdeep").isJsonPrimitive()) {
         throw new IllegalArgumentException(String.format(Locale.ROOT, "Expected the field `ssdeep` to be a primitive type in the JSON string but got `%s`", jsonObj.get("ssdeep").toString()));
       }
       if (!jsonObj.get("sub_sys").isJsonPrimitive()) {