diff --git a/java/lc-esp-engine/build.gradle b/java/lc-esp-engine/build.gradle
index 7cd0f5e5861ca198bd165406a0d138c8794514ae..56ef2031547bc6175928e8509051b4da6d5f292c 100644
--- a/java/lc-esp-engine/build.gradle
+++ b/java/lc-esp-engine/build.gradle
@@ -14,6 +14,7 @@ repositories {
 dependencies {
     api project(':lc-mecha')
     api project(':lc-mecha-http-server')
+    api 'io.swagger.parser.v3:swagger-parser:2.1.16'
     testImplementation platform('org.junit:junit-bom:5.9.1')
     testImplementation 'org.junit.jupiter:junit-jupiter'
 }
diff --git a/java/lc-esp-eo-engine/src/main/java/lc/esp/eo/openapi/EOBased.java b/java/lc-esp-engine/src/main/java/lc/esp/engine/EOBased.java
similarity index 98%
rename from java/lc-esp-eo-engine/src/main/java/lc/esp/eo/openapi/EOBased.java
rename to java/lc-esp-engine/src/main/java/lc/esp/engine/EOBased.java
index 85d80de912febdc6f38b5b0ba6c75dc142054825..9749eaa4c8b0418b77acdb3a69168cd5aebeeac4 100644
--- a/java/lc-esp-eo-engine/src/main/java/lc/esp/eo/openapi/EOBased.java
+++ b/java/lc-esp-engine/src/main/java/lc/esp/engine/EOBased.java
@@ -1,4 +1,4 @@
-package lc.esp.eo.openapi;
+package lc.esp.engine;
 
 import lc.esp.eo.EOClient;
 import lc.esp.eo.EOTransaction;
diff --git a/java/lc-esp-eo-engine/src/main/java/lc/esp/eo/openapi/StubGenerator.java b/java/lc-esp-engine/src/main/java/lc/esp/engine/StubGenerator.java
similarity index 98%
rename from java/lc-esp-eo-engine/src/main/java/lc/esp/eo/openapi/StubGenerator.java
rename to java/lc-esp-engine/src/main/java/lc/esp/engine/StubGenerator.java
index fb6fc8b6e422b882e2620df737e4ef6365ceab53..2fec6673953839ab011079715b53b93d1bd49833 100644
--- a/java/lc-esp-eo-engine/src/main/java/lc/esp/eo/openapi/StubGenerator.java
+++ b/java/lc-esp-engine/src/main/java/lc/esp/engine/StubGenerator.java
@@ -1,4 +1,4 @@
-package lc.esp.eo.openapi;
+package lc.esp.engine;
 
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.PathItem;
diff --git a/java/lc-esp-eo-engine/build.gradle b/java/lc-esp-eo-engine/build.gradle
index 8c8b8e9c360d1e7fb0d1b9092058a89a55e7c73c..47d2c48fe5a742168ce8e8bcf043ffc90525a438 100644
--- a/java/lc-esp-eo-engine/build.gradle
+++ b/java/lc-esp-eo-engine/build.gradle
@@ -15,7 +15,6 @@ dependencies {
     api project(':lc-mecha')
     api project(':lc-esp-eo-sdk')
     api 'org.mongodb:mongodb-driver-sync:4.10.2'
-    api 'io.swagger.parser.v3:swagger-parser:2.1.16'
     testImplementation platform('org.junit:junit-bom:5.9.1')
     testImplementation 'org.junit.jupiter:junit-jupiter'
 }