diff --git a/jib-gradle-plugin/src/main/java/com/google/cloud/tools/jib/gradle/JibExtension.java b/jib-gradle-plugin/src/main/java/com/google/cloud/tools/jib/gradle/JibExtension.java
index d9c6939032..065288823c 100644
--- a/jib-gradle-plugin/src/main/java/com/google/cloud/tools/jib/gradle/JibExtension.java
+++ b/jib-gradle-plugin/src/main/java/com/google/cloud/tools/jib/gradle/JibExtension.java
@@ -189,19 +189,19 @@ String getTargetImage() {
 
   @Nested
   @Optional
-  ImageConfiguration getFrom() {
+  public ImageConfiguration getFrom() {
     return from;
   }
 
   @Nested
   @Optional
-  ImageConfiguration getTo() {
+  public ImageConfiguration getTo() {
     return to;
   }
 
   @Nested
   @Optional
-  ContainerParameters getContainer() {
+  public ContainerParameters getContainer() {
     return container;
   }