diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66b0e335b5..31dec1fac0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,6 +35,7 @@ This section is for maintaining a changelog for all breaking changes for the cli
 ## [Unreleased 2.x]
 
 ### Added
+- Add missed fields to PhraseSuggestOption: collapseMatch ([#960](https://github.com/opensearch-project/opensearch-java/pull/960))
 
 ### Dependencies
 
diff --git a/java-client/src/main/java/org/opensearch/client/opensearch/core/search/PhraseSuggestOption.java b/java-client/src/main/java/org/opensearch/client/opensearch/core/search/PhraseSuggestOption.java
index 21b2bdee0e..723788bc7e 100644
--- a/java-client/src/main/java/org/opensearch/client/opensearch/core/search/PhraseSuggestOption.java
+++ b/java-client/src/main/java/org/opensearch/client/opensearch/core/search/PhraseSuggestOption.java
@@ -56,6 +56,9 @@ public class PhraseSuggestOption implements JsonpSerializable {
 
     private final double score;
 
+    @Nullable
+    private final Boolean collateMatch;
+
     // ---------------------------------------------------------------------------------------------
 
     private PhraseSuggestOption(Builder builder) {
@@ -63,6 +66,7 @@ private PhraseSuggestOption(Builder builder) {
         this.text = ApiTypeHelper.requireNonNull(builder.text, this, "text");
         this.highlighted = builder.highlighted;
         this.score = ApiTypeHelper.requireNonNull(builder.score, this, "score");
+        this.collateMatch = builder.collateMatch;
 
     }
 
@@ -92,6 +96,13 @@ public final double score() {
         return this.score;
     }
 
+    /**
+     * API name: {@code collate_match}
+     */
+    public final Boolean collateMatch() {
+        return this.collateMatch;
+    }
+
     /**
      * Serialize this object to JSON.
      */
@@ -114,6 +125,10 @@ protected void serializeInternal(JsonGenerator generator, JsonpMapper mapper) {
         generator.writeKey("score");
         generator.write(this.score);
 
+        if (this.collateMatch != null) {
+            generator.writeKey("collate_match");
+            generator.write(this.collateMatch);
+        }
     }
 
     // ---------------------------------------------------------------------------------------------
@@ -130,6 +145,9 @@ public static class Builder extends ObjectBuilderBase implements ObjectBuilder<P
 
         private Double score;
 
+        @Nullable
+        private Boolean collateMatch;
+
         /**
          * Required - API name: {@code text}
          */
@@ -154,6 +172,14 @@ public final Builder score(double value) {
             return this;
         }
 
+        /**
+         * API name: {@code collate_match}
+         */
+        public final Builder collateMatch(@Nullable Boolean value) {
+            this.collateMatch = value;
+            return this;
+        }
+
         /**
          * Builds a {@link PhraseSuggestOption}.
          *
@@ -182,6 +208,7 @@ protected static void setupPhraseSuggestOptionDeserializer(ObjectDeserializer<Ph
         op.add(Builder::text, JsonpDeserializer.stringDeserializer(), "text");
         op.add(Builder::highlighted, JsonpDeserializer.stringDeserializer(), "highlighted");
         op.add(Builder::score, JsonpDeserializer.doubleDeserializer(), "score");
+        op.add(Builder::collateMatch, JsonpDeserializer.booleanDeserializer(), "collate_match");
 
     }
 
diff --git a/java-client/src/test/java11/org/opensearch/client/opensearch/integTest/AbstractRequestIT.java b/java-client/src/test/java11/org/opensearch/client/opensearch/integTest/AbstractRequestIT.java
index f14fd42740..39ecabd75b 100644
--- a/java-client/src/test/java11/org/opensearch/client/opensearch/integTest/AbstractRequestIT.java
+++ b/java-client/src/test/java11/org/opensearch/client/opensearch/integTest/AbstractRequestIT.java
@@ -42,6 +42,7 @@
 import java.util.concurrent.TimeUnit;
 import org.junit.Test;
 import org.opensearch.Version;
+import org.opensearch.client.json.JsonData;
 import org.opensearch.client.opensearch.OpenSearchAsyncClient;
 import org.opensearch.client.opensearch._types.FieldValue;
 import org.opensearch.client.opensearch._types.OpenSearchException;
@@ -772,7 +773,14 @@ public void testPhraseSuggester() throws IOException {
 
         String suggesterName = "msgSuggester";
 
-        PhraseSuggester phraseSuggester = FieldSuggesterBuilders.phrase().field("msg.trigram").build();
+        PhraseSuggester phraseSuggester = FieldSuggesterBuilders.phrase()
+            .field("msg.trigram")
+            .collate(
+                c -> c.query(q -> q.source("{\"match\": {\"{{field_name}}\" : \"{{suggestion}}\"}}"))
+                    .prune(true)
+                    .params(Map.of("field_name", JsonData.of("msg")))
+            )
+            .build();
         FieldSuggester fieldSuggester = new FieldSuggester.Builder().text("design paterns").phrase(phraseSuggester).build();
         Suggester suggester = new Suggester.Builder().suggesters(Collections.singletonMap(suggesterName, fieldSuggester)).build();
         SearchRequest searchRequest = new SearchRequest.Builder().index(index).suggest(suggester).build();
@@ -785,19 +793,9 @@ public void testPhraseSuggester() throws IOException {
         assertTrue(response.suggest().get(suggesterName).get(0).isPhrase());
         assertNotNull(response.suggest().get(suggesterName).get(0).phrase().options());
         assertEquals(response.suggest().get(suggesterName).get(0).phrase().options().get(0).text(), "design patterns");
+        assertEquals(response.suggest().get(suggesterName).get(0).phrase().options().get(0).collateMatch(), true);
     }
 
-    // @Test
-    // public void testValueBodyResponse() throws Exception {
-    // DiskUsageResponse resp = highLevelClient().indices().diskUsage(b -> b
-    // .index("*")
-    // .allowNoIndices(true)
-    // .runExpensiveTasks(true)
-    // );
-    //
-    // assertNotNull(resp.valueBody().toJson().asJsonObject().get("_shards"));
-    // }
-
     public static class AppData {
 
         private int intValue;