diff --git a/pom.xml b/pom.xml
index bd7efad8..c686f331 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
-		<elasticsearch.version>6.6.1</elasticsearch.version>
+		<elasticsearch.version>6.6.2</elasticsearch.version>
 		<lucene.version>7.6.0</lucene.version>
 		<sudachi.version>0.1.2-SNAPSHOT</sudachi.version>
 		<jacoco.skip>true</jacoco.skip>