diff --git a/pom.xml b/pom.xml
index ae6d38f..6768cfd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -330,7 +330,7 @@
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-validator</artifactId>
-            <version>6.0.5.Final</version>
+            <version>5.2.2.Final</version>
         </dependency>
 
         <dependency>
diff --git a/src/main/java/net/media/openrtb25/response/nativeresponse/NativeResponseBody.java b/src/main/java/net/media/openrtb25/response/nativeresponse/NativeResponseBody.java
index 0a2f2fb..9693f53 100644
--- a/src/main/java/net/media/openrtb25/response/nativeresponse/NativeResponseBody.java
+++ b/src/main/java/net/media/openrtb25/response/nativeresponse/NativeResponseBody.java
@@ -27,7 +27,7 @@ public class NativeResponseBody {
 
   private String ver;
 
-  private Collection<AssetResponse> asset;
+  private Collection<AssetResponse> assets;
 
   private Link link;
 
@@ -47,12 +47,12 @@ public void setVer(String ver) {
     this.ver = ver;
   }
 
-  public Collection<AssetResponse> getAsset() {
-    return this.asset;
+  public Collection<AssetResponse> getAssets() {
+    return this.assets;
   }
 
-  public void setAsset(Collection<AssetResponse> asset) {
-    this.asset = asset;
+  public void setAssets(Collection<AssetResponse> assets) {
+    this.assets = assets;
   }
 
   public Link getLink() {
@@ -93,7 +93,7 @@ public boolean equals(Object o) {
     if (o == null || getClass() != o.getClass()) return false;
     NativeResponseBody that = (NativeResponseBody) o;
     return Objects.equals(getVer(), that.getVer())
-        && Objects.equals(getAsset(), that.getAsset())
+        && Objects.equals(getAssets(), that.getAssets())
         && Objects.equals(getLink(), that.getLink())
         && Objects.equals(getImptrackers(), that.getImptrackers())
         && Objects.equals(getJstracker(), that.getJstracker())
@@ -103,6 +103,6 @@ public boolean equals(Object o) {
   @Override
   public int hashCode() {
     return Objects.hash(
-        getVer(), getAsset(), getLink(), getImptrackers(), getJstracker(), getExt());
+        getVer(), getAssets(), getLink(), getImptrackers(), getJstracker(), getExt());
   }
 }