diff --git a/pom.xml b/pom.xml
index 02a2d70..8533745 100755
--- a/pom.xml
+++ b/pom.xml
@@ -129,7 +129,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>${version}</version>
+                <version>2.5.3</version>
                 <configuration>
                     <descriptorRefs>
                         <descriptorRef>jar-with-dependencies</descriptorRef>