diff --git a/logging-modules/logback/pom.xml b/logging-modules/logback/pom.xml
index ddf2df1972..ee430949df 100644
--- a/logging-modules/logback/pom.xml
+++ b/logging-modules/logback/pom.xml
@@ -53,12 +53,12 @@
         <dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>
-            <version>1.4.7</version>
+            <version>${javax.mail.version}</version>
         </dependency>
         <dependency>
             <groupId>javax.activation</groupId>
             <artifactId>activation</artifactId>
-            <version>1.1.1</version>
+            <version>${javax.activation.version}</version>
             <scope>runtime</scope>
         </dependency>
     </dependencies>
@@ -67,6 +67,8 @@
         <logback.version>1.2.3</logback.version>
         <logback.contrib.version>0.1.5</logback.contrib.version>
         <docx4j.version>3.3.5</docx4j.version>
+        <javax.mail.version>1.4.7</javax.mail.version>
+        <javax.activation.version>1.1.1</javax.activation.version>
     </properties>
 
 </project>