diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/pom.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/pom.xml
index 4e38e1953..3e47aa6ba 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/pom.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/pom.xml
@@ -41,7 +41,7 @@
             <!-- Assembly plugin - for easy distribution -->
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.2-beta-5</version>
+                <version>2.5.3</version>
                 <executions>
                     <execution>
                         <id>jar-with-dependencies</id>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/pom.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/pom.xml
index 2dbdc0acf..655a32b61 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/pom.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/pom.xml
@@ -41,7 +41,7 @@
             <!-- Assembly plugin - for easy distribution -->
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.2-beta-5</version>
+                <version>2.5.3</version>
                 <executions>
                     <execution>
                         <id>jar-with-dependencies</id>
diff --git a/extensions/guacamole-auth-jdbc/pom.xml b/extensions/guacamole-auth-jdbc/pom.xml
index 3051f3e6d..3fb51f7e9 100644
--- a/extensions/guacamole-auth-jdbc/pom.xml
+++ b/extensions/guacamole-auth-jdbc/pom.xml
@@ -32,7 +32,7 @@
             <!-- Assembly plugin - for easy distribution -->
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.2-beta-5</version>
+                <version>2.5.3</version>
                 <inherited>false</inherited>
                 <executions>
                     <execution>
diff --git a/extensions/guacamole-auth-ldap/pom.xml b/extensions/guacamole-auth-ldap/pom.xml
index d217a9adb..8e67ab405 100644
--- a/extensions/guacamole-auth-ldap/pom.xml
+++ b/extensions/guacamole-auth-ldap/pom.xml
@@ -35,7 +35,7 @@
             <!-- Assembly plugin - for easy distribution -->
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.2-beta-5</version>
+                <version>2.5.3</version>
                 <configuration>
                     <finalName>${project.artifactId}-${project.version}</finalName>
                     <appendAssemblyId>false</appendAssemblyId>
diff --git a/extensions/guacamole-auth-noauth/pom.xml b/extensions/guacamole-auth-noauth/pom.xml
index a543ee2da..4596d32d6 100644
--- a/extensions/guacamole-auth-noauth/pom.xml
+++ b/extensions/guacamole-auth-noauth/pom.xml
@@ -35,7 +35,7 @@
             <!-- Assembly plugin - for easy distribution -->
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.2-beta-5</version>
+                <version>2.5.3</version>
                 <configuration>
                     <finalName>${project.artifactId}-${project.version}</finalName>
                     <appendAssemblyId>false</appendAssemblyId>
diff --git a/guacamole-common-js/pom.xml b/guacamole-common-js/pom.xml
index 7dc88a2e6..4fcc1fca9 100644
--- a/guacamole-common-js/pom.xml
+++ b/guacamole-common-js/pom.xml
@@ -54,7 +54,7 @@
             <!-- Assemble JS files into single .zip -->
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.4</version>
+                <version>2.5.3</version>
                 <configuration>
                     <appendAssemblyId>false</appendAssemblyId>
                     <descriptors>
diff --git a/pom.xml b/pom.xml
index 8b94b55a7..1b34eef4d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
             <!-- Assembly plugin - for easy distribution -->
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.4</version>
+                <version>2.5.3</version>
 
                 <!-- Build project archive -->
                 <configuration>