diff --git a/src/main/java/org/eclipsefoundation/downloads/models/ReleaseVersionPackages.java b/src/main/java/org/eclipsefoundation/downloads/models/ReleaseVersionPackages.java
index 780e02dbb9719e80d392500f9879f0ca983e95fe..dd6036c68c647888aae6e1ff37fee053b1189eb0 100644
--- a/src/main/java/org/eclipsefoundation/downloads/models/ReleaseVersionPackages.java
+++ b/src/main/java/org/eclipsefoundation/downloads/models/ReleaseVersionPackages.java
@@ -15,6 +15,8 @@ import java.util.List;
 
 import javax.annotation.Nullable;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
@@ -81,6 +83,8 @@ public abstract class ReleaseVersionPackages {
         @JsonProperty("rcp-package")
         public abstract ReleaseTrackerPackage getRCPPackage();
 
+        @JsonInclude(Include.NON_NULL)
+        @Nullable
         @JsonProperty("parallel-package")
         public abstract ReleaseTrackerPackage getParallelPackage();
 
@@ -122,7 +126,7 @@ public abstract class ReleaseVersionPackages {
             public abstract Builder setRCPPackage(ReleaseTrackerPackage rcpPackage);
 
             @JsonProperty("parallel-package")
-            public abstract Builder setParallelPackage(ReleaseTrackerPackage parallelPackage);
+            public abstract Builder setParallelPackage(@Nullable ReleaseTrackerPackage parallelPackage);
 
             @JsonProperty("scout-package")
             public abstract Builder setScoutPackage(ReleaseTrackerPackage scoutPackage);