diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextRelativeToOtherComponent.java b/ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextRelativeToOtherComponent.java
index ef8d53d63..45b308468 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextRelativeToOtherComponent.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextRelativeToOtherComponent.java
@@ -121,4 +121,9 @@ public class ContextRelativeToOtherComponent<T> implements IContext<T> {
         return context.getGanttDiagramGraph();
     }
 
+    @Override
+    public List<T> getCriticalPath() {
+        return context.getCriticalPath();
+    }
+
 }
diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextWithPlannerTask.java b/ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextWithPlannerTask.java
index 4fab6597d..8cc8f1572 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextWithPlannerTask.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/extensions/ContextWithPlannerTask.java
@@ -123,4 +123,9 @@ public class ContextWithPlannerTask<T> implements IContextWithPlannerTask<T> {
         return context.getGanttDiagramGraph();
     }
 
+    @Override
+    public List<T> getCriticalPath() {
+        return context.getCriticalPath();
+    }
+
 }