diff --git a/plugin.xml b/plugin.xml
index f8f655107..e35c7b8a7 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -13,12 +13,12 @@
 		<mkdir dir="${plugins.dir}" />
 		<!-- analysis-extension -->
 		<antcall target="install.plugin">
-			<param name="repo.url" value="${maven.release.repo.url}" />
+			<param name="repo.url" value="${maven.snapshot.repo.url}" />
 			<param name="plugin.groupId" value="org/codelibs" />
 			<param name="plugin.name.prefix" value="elasticsearch-" />
 			<param name="plugin.name" value="analysis-extension" />
-			<param name="plugin.version" value="7.6.0" />
-			<param name="plugin.zip.version" value="7.6.0" />
+			<param name="plugin.version" value="7.6.1-SNAPSHOT" />
+			<param name="plugin.zip.version" value="7.6.1-20200226.135312-7" />
 		</antcall>
 		<!-- analysis-fess -->
 		<antcall target="install.plugin">
diff --git a/src/main/resources/fess_indices/fess.json b/src/main/resources/fess_indices/fess.json
index 10e0a3323..dc8d39b2d 100644
--- a/src/main/resources/fess_indices/fess.json
+++ b/src/main/resources/fess_indices/fess.json
@@ -681,6 +681,7 @@
           "n": "1",
           "synonyms_path": "${fess.dictionary.path}synonym.txt",
           "dynamic_reload": true,
+          "expand": false,
           "reload_interval": "1m"
         },
         "bigram_tokenizer": {
@@ -688,6 +689,7 @@
           "n": "2",
           "synonyms_path": "${fess.dictionary.path}synonym.txt",
           "dynamic_reload": true,
+          "expand": false,
           "reload_interval": "1m"
         }
       },