diff --git a/cas-client-core/pom.xml b/cas-client-core/pom.xml
index 849bceb..8a13a67 100644
--- a/cas-client-core/pom.xml
+++ b/cas-client-core/pom.xml
@@ -77,13 +77,6 @@
       <scope>test</scope>
     </dependency>
 
-      <dependency>
-          <groupId>org.slf4j</groupId>
-          <artifactId>jcl-over-slf4j</artifactId>
-          <version>${slf4j.version}</version>
-          <scope>test</scope>
-      </dependency>
-
     <dependency>
       <groupId>log4j</groupId>
       <artifactId>log4j</artifactId>
diff --git a/cas-client-integration-atlassian/pom.xml b/cas-client-integration-atlassian/pom.xml
index 17f64d3..e1390e9 100644
--- a/cas-client-integration-atlassian/pom.xml
+++ b/cas-client-integration-atlassian/pom.xml
@@ -520,6 +520,10 @@
           <groupId>bouncycastle</groupId>
           <artifactId>bcprov-jdk14</artifactId>
         </exclusion>
+        <exclusion>
+            <groupId>commons-logging</groupId>
+            <artifactId>commons-logging</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>
 
diff --git a/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/Confluence35CasAuthenticator.java b/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/Confluence35CasAuthenticator.java
index d1f4dcb..61815ed 100644
--- a/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/Confluence35CasAuthenticator.java
+++ b/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/Confluence35CasAuthenticator.java
@@ -24,10 +24,10 @@ import com.atlassian.confluence.event.events.security.LoginFailedEvent;
 import com.atlassian.confluence.user.ConfluenceAuthenticator;
 import com.atlassian.seraph.auth.AuthenticatorException;
 import com.atlassian.seraph.auth.LoginReason;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.jasig.cas.client.util.AbstractCasFilter;
 import org.jasig.cas.client.validation.Assertion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -49,14 +49,12 @@ import java.security.Principal;
 public final class Confluence35CasAuthenticator extends ConfluenceAuthenticator {
     private static final long serialVersionUID = -6097438206488390678L;
 
-    private static final Log LOG = LogFactory.getLog(Confluence35CasAuthenticator.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(Confluence35CasAuthenticator.class);
 
     public Principal getUser(final HttpServletRequest request, final HttpServletResponse response) {
         Principal existingUser = getUserFromSession(request);
         if (existingUser != null) {
-            if (LOG.isDebugEnabled()) {
-                LOG.debug("Session found; user already logged in.");
-            }
+            LOGGER.debug("Session found; user already logged in.");
             LoginReason.OK.stampRequestResponse(request, response);
             return existingUser;
         }
@@ -76,13 +74,9 @@ public final class Confluence35CasAuthenticator extends ConfluenceAuthenticator
                 // Firing this event is necessary to ensure the user's personal information is initialised correctly.
                 getEventPublisher().publish(new LoginEvent(this, username, request.getSession().getId(), remoteHost, remoteIP));
                 LoginReason.OK.stampRequestResponse(request, response);
-                if (LOG.isDebugEnabled()) {
-                    LOG.debug("Logging in [" + username + "] from CAS.");
-                }
+                LOGGER.debug("Logging in [{}] from CAS.", username);
             } else {
-                if (LOG.isDebugEnabled()) {
-                    LOG.debug("Failed logging [" + username + "] from CAS.");
-                }
+                LOGGER.debug("Failed logging [{}] from CAS.", username);
                 getElevatedSecurityGuard().onFailedLoginAttempt(request, username);
                 getEventPublisher().publish(new LoginFailedEvent(this, username, request.getSession().getId(), remoteHost, remoteIP));
             }
@@ -97,8 +91,8 @@ public final class Confluence35CasAuthenticator extends ConfluenceAuthenticator
 
         final Principal principal = (Principal) session.getAttribute(LOGGED_IN_KEY);
 
-        if (LOG.isDebugEnabled() && principal != null) {
-            LOG.debug("Logging out [" + principal.getName() + "] from CAS.");
+        if (principal != null) {
+            LOGGER.debug("Logging out [{}] from CAS.", principal.getName());
         }
 
         removePrincipalFromSessionContext(request);
diff --git a/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/ConfluenceCasAuthenticator.java b/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/ConfluenceCasAuthenticator.java
index 3f88bea..30ef63e 100644
--- a/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/ConfluenceCasAuthenticator.java
+++ b/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/ConfluenceCasAuthenticator.java
@@ -21,10 +21,10 @@ package org.jasig.cas.client.integration.atlassian;
 
 import com.atlassian.confluence.user.ConfluenceAuthenticator;
 import com.atlassian.seraph.auth.AuthenticatorException;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.jasig.cas.client.util.AbstractCasFilter;
 import org.jasig.cas.client.validation.Assertion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -45,16 +45,14 @@ public final class ConfluenceCasAuthenticator extends ConfluenceAuthenticator {
     /** ConfluenceCasAuthenticator.java */
     private static final long serialVersionUID = -6097438206488390677L;
 
-    private static final Log LOG = LogFactory.getLog(ConfluenceCasAuthenticator.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ConfluenceCasAuthenticator.class);
 
     public Principal getUser(final HttpServletRequest request, final HttpServletResponse response) {
         final HttpSession session = request.getSession();
 
         // user already exists
         if (session.getAttribute(LOGGED_IN_KEY) != null) {
-            if (LOG.isDebugEnabled()) {
-                LOG.debug("Session found; user already logged in.");
-            }
+            LOGGER.debug("Session found; user already logged in.");
             return (Principal) session.getAttribute(LOGGED_IN_KEY);
         }
 
@@ -63,9 +61,7 @@ public final class ConfluenceCasAuthenticator extends ConfluenceAuthenticator {
         if (assertion != null) {
             final Principal p = getUser(assertion.getPrincipal().getName());
 
-            if (LOG.isDebugEnabled()) {
-                LOG.debug("Logging in [" + p.getName() + "] from CAS.");
-            }
+            LOGGER.debug("Logging in [{}] from CAS.", p.getName());
 
             session.setAttribute(LOGGED_IN_KEY, p);
             session.setAttribute(LOGGED_OUT_KEY, null);
@@ -80,9 +76,7 @@ public final class ConfluenceCasAuthenticator extends ConfluenceAuthenticator {
 
         final Principal principal = (Principal) session.getAttribute(LOGGED_IN_KEY);
 
-        if (LOG.isDebugEnabled()) {
-            LOG.debug("Logging out [" + principal.getName() + "] from CAS.");
-        }
+        LOGGER.debug("Logging out [{}] from CAS.", principal.getName());
 
         session.setAttribute(LOGGED_OUT_KEY, principal);
         session.setAttribute(LOGGED_IN_KEY, null);
diff --git a/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/Jira44CasAuthenticator.java b/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/Jira44CasAuthenticator.java
index 3ba8991..65b44a9 100644
--- a/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/Jira44CasAuthenticator.java
+++ b/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/Jira44CasAuthenticator.java
@@ -22,8 +22,6 @@ package org.jasig.cas.client.integration.atlassian;
 import com.atlassian.jira.security.login.JiraSeraphAuthenticator;
 import com.atlassian.seraph.auth.AuthenticatorException;
 import com.atlassian.seraph.auth.LoginReason;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.jasig.cas.client.util.AbstractCasFilter;
 import org.jasig.cas.client.validation.Assertion;
 import org.slf4j.Logger;
diff --git a/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/JiraCasAuthenticator.java b/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/JiraCasAuthenticator.java
index 9cd1976..5f3c519 100644
--- a/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/JiraCasAuthenticator.java
+++ b/cas-client-integration-atlassian/src/main/java/org/jasig/cas/client/integration/atlassian/JiraCasAuthenticator.java
@@ -22,10 +22,7 @@ package org.jasig.cas.client.integration.atlassian;
 import com.atlassian.seraph.auth.DefaultAuthenticator;
 import com.atlassian.seraph.auth.AuthenticatorException;
 import com.opensymphony.user.EntityNotFoundException;
-import com.opensymphony.user.User;
 import com.opensymphony.user.UserManager;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.jasig.cas.client.util.AbstractCasFilter;
 import org.jasig.cas.client.validation.Assertion;
 import org.slf4j.Logger;
diff --git a/pom.xml b/pom.xml
index bdd2bad..9472fbd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -166,7 +166,6 @@ NwXMoqnmqmUUnosrspqmmmmmmUUnosrspqmmmmmmUUA1jJ
                             <bannedDependencies>
                                 <excludes>
                                     <exclude>commons-logging</exclude>
-                                    <exclude>cglib:cglib</exclude>
                                 </excludes>
                             </bannedDependencies>
                         </rules>
@@ -180,23 +179,35 @@ NwXMoqnmqmUUnosrspqmmmmmmUUnosrspqmmmmmmUUA1jJ
 
   <dependencies>
     <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <version>4.8.2</version>
-      <scope>test</scope>
+        <groupId>junit</groupId>
+        <artifactId>junit</artifactId>
+        <version>4.8.2</version>
+        <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-api</artifactId>
-      <version>${slf4j.version}</version>
-      <scope>compile</scope>
+        <groupId>org.slf4j</groupId>
+        <artifactId>slf4j-api</artifactId>
+        <version>${slf4j.version}</version>
+        <scope>compile</scope>
     </dependency>
     <dependency>
-      <groupId>javax.servlet</groupId>
-      <artifactId>servlet-api</artifactId>
-      <version>2.4</version>
-      <scope>provided</scope>
+        <groupId>javax.servlet</groupId>
+        <artifactId>servlet-api</artifactId>
+        <version>2.4</version>
+        <scope>provided</scope>
     </dependency>
+    <dependency>
+        <groupId>org.slf4j</groupId>
+        <artifactId>jcl-over-slf4j</artifactId>
+        <version>${slf4j.version}</version>
+        <scope>test</scope>
+    </dependency>
+      <dependency>
+          <groupId>org.slf4j</groupId>
+          <artifactId>slf4j-simple</artifactId>
+          <version>${slf4j.version}</version>
+          <scope>test</scope>
+      </dependency>
   </dependencies>
 
     <modules>