diff --git a/pom.xml b/pom.xml
index 9b605ae..e085f7d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
     <smile_commons.version>1.3.10.RELEASE</smile_commons.version>
     <!-- smile server model module -->
     <smile_server.group>com.github.mskcc.smile-server</smile_server.group>
-    <smile_server.version>1.5.4.RELEASE</smile_server.version>
+    <smile_server.version>1.5.5.RELEASE</smile_server.version>
   </properties>
 
   <dependencies>