diff --git a/buildSrc/src/main/groovy/com/worksap/nlp/tools/engines.groovy b/buildSrc/src/main/groovy/com/worksap/nlp/tools/engines.groovy
index cce96482..4bdfb308 100644
--- a/buildSrc/src/main/groovy/com/worksap/nlp/tools/engines.groovy
+++ b/buildSrc/src/main/groovy/com/worksap/nlp/tools/engines.groovy
@@ -49,7 +49,8 @@ enum EsSupport implements EngineSupport {
 
 enum OsSupport implements EngineSupport {
     Os20("os-2.00"),
-    Os210("os-2.10")
+    Os27("os-2.07"),
+    Os210("os-2.10"),
 
     String tag
 
@@ -59,8 +60,10 @@ enum OsSupport implements EngineSupport {
 
 
     static OsSupport supportVersion(Version version) {
-        if (version.ge(2, 0) && version.lt(2, 10)) {
+        if (version.ge(2, 0) && version.lt(2, 7)) {
             return Os20
+        } else if (version.ge(2, 7) && version.lt(2, 10)) {
+            return Os27
         } else if (version.ge(2, 10)) {
             return Os210
         }
diff --git a/src/main/ext/es-7.15-ge/xcontent-aliases.kt b/src/main/ext/es-7.15-ge/xcontent-aliases.kt
new file mode 100644
index 00000000..036a5cb4
--- /dev/null
+++ b/src/main/ext/es-7.15-ge/xcontent-aliases.kt
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2024 Works Applications Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@file:Suppress("PackageDirectoryMismatch")
+
+package com.worksap.nlp.lucene.aliases
+
+typealias ToXContent = org.elasticsearch.xcontent.ToXContent
+
+typealias ToXContentParams = org.elasticsearch.xcontent.ToXContent.Params
+
+typealias XContentBuilder = org.elasticsearch.xcontent.XContentBuilder
diff --git a/src/main/ext/es-7.15-lt/xcontent-aliases.kt b/src/main/ext/es-7.15-lt/xcontent-aliases.kt
new file mode 100644
index 00000000..5fdcb844
--- /dev/null
+++ b/src/main/ext/es-7.15-lt/xcontent-aliases.kt
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2024 Works Applications Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@file:Suppress("PackageDirectoryMismatch")
+
+package com.worksap.nlp.lucene.aliases
+
+typealias ToXContent = org.elasticsearch.common.xcontent.ToXContent
+
+typealias ToXContentParams = org.elasticsearch.common.xcontent.ToXContent.Params
+
+typealias XContentBuilder = org.elasticsearch.common.xcontent.XContentBuilder
diff --git a/src/main/ext/es-8.00-ge/lucene-aliases.kt b/src/main/ext/es-8.00-ge/lucene-aliases.kt
index 233d95b3..76def36e 100644
--- a/src/main/ext/es-8.00-ge/lucene-aliases.kt
+++ b/src/main/ext/es-8.00-ge/lucene-aliases.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023-2024 Works Applications Co., Ltd.
+ * Copyright (c) 2023 Works Applications Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,9 +23,3 @@ typealias TokenFilterFactory = org.apache.lucene.analysis.TokenFilterFactory
 typealias ResourceLoaderArgument = org.apache.lucene.util.ResourceLoader
 
 typealias ResourceLoaderAware = org.apache.lucene.util.ResourceLoaderAware
-
-typealias ToXContent = org.elasticsearch.xcontent.ToXContent
-
-typealias ToXContentParams = org.elasticsearch.xcontent.ToXContent.Params
-
-typealias XContentBuilder = org.elasticsearch.xcontent.XContentBuilder
diff --git a/src/main/ext/es-8.00-lt/lucene-aliases.kt b/src/main/ext/es-8.00-lt/lucene-aliases.kt
index 76f2fc1a..143e404c 100644
--- a/src/main/ext/es-8.00-lt/lucene-aliases.kt
+++ b/src/main/ext/es-8.00-lt/lucene-aliases.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023-2024 Works Applications Co., Ltd.
+ * Copyright (c) 2023 Works Applications Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,9 +23,3 @@ typealias TokenFilterFactory = org.apache.lucene.analysis.util.TokenFilterFactor
 typealias ResourceLoaderArgument = org.apache.lucene.analysis.util.ResourceLoader
 
 typealias ResourceLoaderAware = org.apache.lucene.analysis.util.ResourceLoaderAware
-
-typealias ToXContent = org.elasticsearch.xcontent.ToXContent
-
-typealias ToXContentParams = org.elasticsearch.xcontent.ToXContent.Params
-
-typealias XContentBuilder = org.elasticsearch.xcontent.XContentBuilder
diff --git a/src/main/ext/os-2.00-ge/lucene-aliases.kt b/src/main/ext/os-2.00-ge/lucene-aliases.kt
index 9b41efb4..76def36e 100644
--- a/src/main/ext/os-2.00-ge/lucene-aliases.kt
+++ b/src/main/ext/os-2.00-ge/lucene-aliases.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023-2024 Works Applications Co., Ltd.
+ * Copyright (c) 2023 Works Applications Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,9 +23,3 @@ typealias TokenFilterFactory = org.apache.lucene.analysis.TokenFilterFactory
 typealias ResourceLoaderArgument = org.apache.lucene.util.ResourceLoader
 
 typealias ResourceLoaderAware = org.apache.lucene.util.ResourceLoaderAware
-
-typealias ToXContent = org.opensearch.core.xcontent.ToXContent
-
-typealias ToXContentParams = org.opensearch.core.xcontent.ToXContent.Params
-
-typealias XContentBuilder = org.opensearch.core.xcontent.XContentBuilder
diff --git a/src/main/ext/os-2.07-ge/xcontent-aliases.kt b/src/main/ext/os-2.07-ge/xcontent-aliases.kt
new file mode 100644
index 00000000..ff7b7bac
--- /dev/null
+++ b/src/main/ext/os-2.07-ge/xcontent-aliases.kt
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2024 Works Applications Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@file:Suppress("PackageDirectoryMismatch")
+
+package com.worksap.nlp.lucene.aliases
+
+typealias ToXContent = org.opensearch.core.xcontent.ToXContent
+
+typealias ToXContentParams = org.opensearch.core.xcontent.ToXContent.Params
+
+typealias XContentBuilder = org.opensearch.core.xcontent.XContentBuilder
diff --git a/src/main/ext/os-2.07-lt/xcontent-aliases.kt b/src/main/ext/os-2.07-lt/xcontent-aliases.kt
new file mode 100644
index 00000000..dddb4bda
--- /dev/null
+++ b/src/main/ext/os-2.07-lt/xcontent-aliases.kt
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2024 Works Applications Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@file:Suppress("PackageDirectoryMismatch")
+
+package com.worksap.nlp.lucene.aliases
+
+typealias ToXContent = org.opensearch.common.xcontent.ToXContent
+
+typealias ToXContentParams = org.opensearch.common.xcontent.ToXContent.Params
+
+typealias XContentBuilder = org.opensearch.common.xcontent.XContentBuilder