diff --git a/WORKSPACE b/WORKSPACE
index b27efa5..6a1228c 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -896,8 +896,8 @@
 # and httpasyncclient as necessary.
 maven_jar(
     name = "elasticsearch-rest-client",
-    artifact = "org.elasticsearch.client:elasticsearch-rest-client:6.4.3",
-    sha1 = "5c24325430971ba2fa4769eb446f026b7680d5e7",
+    artifact = "org.elasticsearch.client:elasticsearch-rest-client:6.5.0",
+    sha1 = "241436d27cf65b84d17126dc7b6b947e8e2c173c",
 )
 
 JACKSON_VERSION = "2.9.7"
diff --git a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
index 9579e19..61bddc4 100644
--- a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
+++ b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/pgm/ElasticReindexIT.java
@@ -48,7 +48,7 @@
 
   @ConfigSuite.Config
   public static Config elasticsearchV6() {
-    return getConfig(ElasticVersion.V6_4);
+    return getConfig(ElasticVersion.V6_5);
   }
 
   @Override
diff --git a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java
index 602c50e..cf8c24a 100644
--- a/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java
+++ b/gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/ssh/ElasticIndexIT.java
@@ -47,7 +47,7 @@
 
   @ConfigSuite.Config
   public static Config elasticsearchV6() {
-    return getConfig(ElasticVersion.V6_4);
+    return getConfig(ElasticVersion.V6_5);
   }
 
   @Override
diff --git a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticQueryAdapter.java b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticQueryAdapter.java
index b52499b..fcc0455 100644
--- a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticQueryAdapter.java
+++ b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticQueryAdapter.java
@@ -39,6 +39,7 @@
       case V6_2:
       case V6_3:
       case V6_4:
+      case V6_5:
         this.searchFilteringName = "_source";
         this.indicesExistParam = "?allow_no_indices=false";
         this.exactFieldType = "keyword";
diff --git a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticVersion.java b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticVersion.java
index dfa5d21..4c98df1 100644
--- a/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticVersion.java
+++ b/gerrit-elasticsearch/src/main/java/com/google/gerrit/elasticsearch/ElasticVersion.java
@@ -22,7 +22,8 @@
   V5_6("5.6.*"),
   V6_2("6.2.*"),
   V6_3("6.3.*"),
-  V6_4("6.4.*");
+  V6_4("6.4.*"),
+  V6_5("6.5.*");
 
   private final String version;
   private final Pattern pattern;
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticContainer.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticContainer.java
index ebb728f..55ebd5d 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticContainer.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticContainer.java
@@ -52,6 +52,8 @@
         return "docker.elastic.co/elasticsearch/elasticsearch-oss:6.3.2";
       case V6_4:
         return "docker.elastic.co/elasticsearch/elasticsearch-oss:6.4.3";
+      case V6_5:
+        return "docker.elastic.co/elasticsearch/elasticsearch-oss:6.5.0";
     }
     throw new IllegalStateException("No tests for version: " + version.name());
   }
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryAccountsTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryAccountsTest.java
index 059585d..5c07276 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryAccountsTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryAccountsTest.java
@@ -34,7 +34,7 @@
       return;
     }
 
-    container = ElasticContainer.createAndStart(ElasticVersion.V6_4);
+    container = ElasticContainer.createAndStart(ElasticVersion.V6_5);
     nodeInfo = new ElasticNodeInfo(container.getHttpHost().getPort());
   }
 
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryChangesTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryChangesTest.java
index fa3b6c4..7ced869 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryChangesTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryChangesTest.java
@@ -35,7 +35,7 @@
       return;
     }
 
-    container = ElasticContainer.createAndStart(ElasticVersion.V6_4);
+    container = ElasticContainer.createAndStart(ElasticVersion.V6_5);
     nodeInfo = new ElasticNodeInfo(container.getHttpHost().getPort());
   }
 
diff --git a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryGroupsTest.java b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryGroupsTest.java
index ee88ee4..3fe6bfb 100644
--- a/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryGroupsTest.java
+++ b/gerrit-elasticsearch/src/test/java/com/google/gerrit/elasticsearch/ElasticV6QueryGroupsTest.java
@@ -34,7 +34,7 @@
       return;
     }
 
-    container = ElasticContainer.createAndStart(ElasticVersion.V6_4);
+    container = ElasticContainer.createAndStart(ElasticVersion.V6_5);
     nodeInfo = new ElasticNodeInfo(container.getHttpHost().getPort());
   }