diff --git a/pom.xml b/pom.xml
index 57126d9..496f78f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,44 +24,49 @@
         <url>git@github.com:kemitix/wiser-assertions.git</url>
     </scm>
 
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring-framework.version>4.2.6.RELEASE</spring-framework.version>
-    </properties>
-
     <parent>
         <groupId>net.kemitix</groupId>
         <artifactId>kemitix-parent</artifactId>
         <version>1.0.0</version>
     </parent>
 
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <javax-mail.version>1.4.7</javax-mail.version>
+        <subethasmtp.version>3.1.7</subethasmtp.version>
+        <junit.version>4.12</junit.version>
+        <mockito-core.version>1.10.19</mockito-core.version>
+        <simple-java-mail.version>3.0.1</simple-java-mail.version>
+        <spring-framework.version>4.2.6.RELEASE</spring-framework.version>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>
-            <version>1.4.7</version>
+            <version>${javax-mail.version}</version>
         </dependency>
         <dependency>
             <groupId>org.subethamail</groupId>
             <artifactId>subethasmtp</artifactId>
-            <version>3.1.7</version>
+            <version>${subethasmtp.version}</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>1.10.19</version>
+            <version>${mockito-core.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency><!-- for Issue1Test -->
             <groupId>org.codemonkey.simplejavamail</groupId>
             <artifactId>simple-java-mail</artifactId>
-            <version>3.0.1</version>
+            <version>${simple-java-mail.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency><!-- for Issue6Test -->