diff --git a/pom.xml b/pom.xml
index 9230248e..15e9fa60 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,39 +40,65 @@
         <version>7</version>
     </parent>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.bouncycastle</groupId>
+                <artifactId>bcprov-jdk15on</artifactId>
+                <version>1.50</version>
+            </dependency>
+            <dependency>
+                <groupId>org.bouncycastle</groupId>
+                <artifactId>bcpkix-jdk15on</artifactId>
+                <version>1.50</version>
+            </dependency>
+            <dependency>
+                <groupId>com.jcraft</groupId>
+                <artifactId>jzlib</artifactId>
+                <version>1.1.3</version>
+            </dependency>
+            <dependency>
+                <groupId>ch.qos.logback</groupId>
+                <artifactId>logback-core</artifactId>
+                <version>1.1.2</version>
+            </dependency>
+            <dependency>
+                <groupId>ch.qos.logback</groupId>
+                <artifactId>logback-classic</artifactId>
+                <version>1.1.2</version>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <dependencies>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.5</version>
+            <version>1.7.7</version>
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcpkix-jdk15on</artifactId>
-            <version>1.50</version>
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.50</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.jcraft</groupId>
             <artifactId>jzlib</artifactId>
-            <version>1.1.3</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.sshd</groupId>
             <artifactId>sshd-core</artifactId>
-            <version>0.8.0</version>
+            <version>0.11.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.0.13</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -84,7 +110,6 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.0.13</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -126,7 +151,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>
-                <version>2.4.1</version>
+                <version>2.5</version>
                 <configuration>
                     <mavenExecutorId>forked-path</mavenExecutorId>
                 </configuration>
@@ -134,7 +159,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
-                <version>2.1.2</version>
+                <version>2.2.1</version>
                 <executions>
                     <execution>
                         <id>attach-sources</id>
@@ -202,22 +227,18 @@
                 <dependency>
                     <groupId>org.bouncycastle</groupId>
                     <artifactId>bcprov-jdk15on</artifactId>
-                    <version>1.49</version>
                 </dependency>
                 <dependency>
                     <groupId>com.jcraft</groupId>
                     <artifactId>jzlib</artifactId>
-                    <version>1.0.7</version>
                 </dependency>
                 <dependency>
                     <groupId>ch.qos.logback</groupId>
                     <artifactId>logback-core</artifactId>
-                    <version>1.0.13</version>
                 </dependency>
                 <dependency>
                     <groupId>ch.qos.logback</groupId>
                     <artifactId>logback-classic</artifactId>
-                    <version>1.0.13</version>
                 </dependency>
             </dependencies>
         </profile>
@@ -251,7 +272,5 @@
                 </plugins>
             </build>
         </profile>
-
     </profiles>
-
 </project>