diff --git a/build.gradle b/build.gradle
index cc33bf2..9a67868 100644
--- a/build.gradle
+++ b/build.gradle
@@ -29,7 +29,7 @@ task clean(type: Delete) {
 
 ext {
     versionCode = 1
-    versionName = '0.1.3'
+    versionName = '0.1.5'
 
     minSdkVersion = 16
     targetSdkVersion = 27
diff --git a/library/src/main/java/net/sharewire/googlemapsclustering/ClusterRenderer.java b/library/src/main/java/net/sharewire/googlemapsclustering/ClusterRenderer.java
index b7876d3..e401938 100644
--- a/library/src/main/java/net/sharewire/googlemapsclustering/ClusterRenderer.java
+++ b/library/src/main/java/net/sharewire/googlemapsclustering/ClusterRenderer.java
@@ -16,6 +16,7 @@
 import com.google.android.gms.maps.model.MarkerOptions;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -83,9 +84,19 @@ void render(@NonNull List<Cluster<T>> clusters) {
             }
         }
 
-        for (Cluster<T> cluster : mMarkers.keySet()) {
-            if (!clusters.contains(cluster)) {
-                clustersToRemove.add(cluster);
+        for (Cluster<T> existingCluster : mMarkers.keySet()) {
+            int indexOfExistingCluster = clusters.indexOf(existingCluster);
+            boolean newClustersContainsExistingCluster = indexOfExistingCluster >= 0;
+
+            if (!newClustersContainsExistingCluster) {
+                clustersToRemove.add(existingCluster);
+            } else {
+                Cluster<T> clusterWithNewData = clusters.get(indexOfExistingCluster);
+                boolean itemsAreEqual = existingCluster.getItems().containsAll(clusterWithNewData.getItems());
+                if(!itemsAreEqual) {
+                    clustersToRemove.add(existingCluster);
+                    clustersToAdd.add(clusterWithNewData);
+                }
             }
         }