diff --git a/labs/iam/pom.xml b/labs/iam/pom.xml
index 52dac1315c..3e24fce391 100644
--- a/labs/iam/pom.xml
+++ b/labs/iam/pom.xml
@@ -60,13 +60,13 @@
     </dependency>
     <dependency>
       <groupId>org.jclouds.driver</groupId>
-      <artifactId>jclouds-log4j</artifactId>
+      <artifactId>jclouds-slf4j</artifactId>
       <version>${project.version}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>log4j</groupId>
-      <artifactId>log4j</artifactId>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/labs/iam/src/test/resources/log4j.xml b/labs/iam/src/test/resources/log4j.xml
deleted file mode 100644
index 7527432931..0000000000
--- a/labs/iam/src/test/resources/log4j.xml
+++ /dev/null
@@ -1,166 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
-
-    <!--
-        For more configuration infromation and examples see the Apache
-        Log4j website: http://logging.apache.org/log4j/
-    -->
-<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"
-    debug="false">
-
-    <!-- A time/date based rolling appender -->
-    <appender name="WIREFILE" class="org.apache.log4j.DailyRollingFileAppender">
-        <param name="File" value="target/test-data/jclouds-wire.log" />
-        <param name="Append" value="true" />
-
-        <!-- Rollover at midnight each day -->
-        <param name="DatePattern" value="'.'yyyy-MM-dd" />
-
-        <param name="Threshold" value="TRACE" />
-
-        <layout class="org.apache.log4j.PatternLayout">
-            <!-- The default pattern: Date Priority [Category] Message\n -->
-            <param name="ConversionPattern" value="%d %-5p [%c] (%t) %m%n" />
-
-            <!--
-                The full pattern: Date MS Priority [Category]
-                (Thread:NDC) Message\n <param name="ConversionPattern"
-                value="%d %-5r %-5p [%c] (%t:%x) %m%n"/>
-            -->
-        </layout>
-    </appender>
-
-    <!-- A time/date based rolling appender -->
-    <appender name="FILE" class="org.apache.log4j.DailyRollingFileAppender">
-        <param name="File" value="target/test-data/jclouds.log" />
-        <param name="Append" value="true" />
-
-        <!-- Rollover at midnight each day -->
-        <param name="DatePattern" value="'.'yyyy-MM-dd" />
-
-        <param name="Threshold" value="TRACE" />
-
-        <layout class="org.apache.log4j.PatternLayout">
-            <!-- The default pattern: Date Priority [Category] Message\n -->
-            <param name="ConversionPattern" value="%d %-5p [%c] (%t) %m%n" />
-
-            <!--
-                The full pattern: Date MS Priority [Category]
-                (Thread:NDC) Message\n <param name="ConversionPattern"
-                value="%d %-5r %-5p [%c] (%t:%x) %m%n"/>
-            -->
-        </layout>
-    </appender>
-    <!-- A time/date based rolling appender -->
-    <appender name="BLOBSTOREFILE" class="org.apache.log4j.DailyRollingFileAppender">
-        <param name="File" value="target/test-data/jclouds-blobstore.log" />
-        <param name="Append" value="true" />
-        <param name="DatePattern" value="'.'yyyy-MM-dd" />
-        <param name="Threshold" value="TRACE" />
-        <layout class="org.apache.log4j.PatternLayout">
-            <param name="ConversionPattern" value="%d %-5p [%c] (%t) %m%n" />
-        </layout>
-    </appender>
-
-    <!-- A time/date based rolling appender -->
-    <appender name="COMPUTEFILE" class="org.apache.log4j.DailyRollingFileAppender">
-        <param name="File" value="target/test-data/jclouds-compute.log" />
-        <param name="Append" value="true" />
-
-        <!-- Rollover at midnight each day -->
-        <param name="DatePattern" value="'.'yyyy-MM-dd" />
-
-        <param name="Threshold" value="TRACE" />
-
-        <layout class="org.apache.log4j.PatternLayout">
-            <!-- The default pattern: Date Priority [Category] Message\n -->
-            <param name="ConversionPattern" value="%d %-5p [%c] (%t) %m%n" />
-
-            <!--
-                The full pattern: Date MS Priority [Category]
-                (Thread:NDC) Message\n <param name="ConversionPattern"
-                value="%d %-5r %-5p [%c] (%t:%x) %m%n"/>
-            -->
-        </layout>
-    </appender>
-
-    <!-- A time/date based rolling appender -->
-    <appender name="SSHFILE" class="org.apache.log4j.DailyRollingFileAppender">
-        <param name="File" value="target/test-data/jclouds-ssh.log" />
-        <param name="Append" value="true" />
-
-        <!-- Rollover at midnight each day -->
-        <param name="DatePattern" value="'.'yyyy-MM-dd" />
-
-        <param name="Threshold" value="TRACE" />
-
-        <layout class="org.apache.log4j.PatternLayout">
-            <!-- The default pattern: Date Priority [Category] Message\n -->
-            <param name="ConversionPattern" value="%d %-5p [%c] (%t) %m%n" />
-
-            <!--
-                The full pattern: Date MS Priority [Category]
-                (Thread:NDC) Message\n <param name="ConversionPattern"
-                value="%d %-5r %-5p [%c] (%t:%x) %m%n"/>
-            -->
-        </layout>
-    </appender>
-
-    <appender name="ASYNCCOMPUTE" class="org.apache.log4j.AsyncAppender">
-        <appender-ref ref="COMPUTEFILE" />
-    </appender>
-
-    <appender name="ASYNCSSH" class="org.apache.log4j.AsyncAppender">
-        <appender-ref ref="SSHFILE" />
-    </appender>
-
-    <appender name="ASYNC" class="org.apache.log4j.AsyncAppender">
-        <appender-ref ref="FILE" />
-    </appender>
-
-    <appender name="ASYNCWIRE" class="org.apache.log4j.AsyncAppender">
-        <appender-ref ref="WIREFILE" />
-    </appender>
-
-    <appender name="ASYNCBLOBSTORE" class="org.apache.log4j.AsyncAppender">
-        <appender-ref ref="BLOBSTOREFILE" />
-    </appender>
-    <!-- ================ -->
-    <!-- Limit categories -->
-    <!-- ================ -->
-
-    <category name="org.jclouds">
-        <priority value="DEBUG" />
-        <appender-ref ref="ASYNC" />
-    </category>
-
-    <category name="jclouds.headers">
-        <priority value="DEBUG" />
-        <appender-ref ref="ASYNCWIRE" />
-    </category>
-
-    <category name="jclouds.ssh">
-        <priority value="DEBUG" />
-        <appender-ref ref="ASYNCSSH" />
-    </category>
-    <category name="jclouds.wire">
-        <priority value="DEBUG" />
-        <appender-ref ref="ASYNCWIRE" />
-    </category>
-    <category name="jclouds.blobstore">
-        <priority value="DEBUG" />
-        <appender-ref ref="ASYNCBLOBSTORE" />
-    </category>
-    <category name="jclouds.compute">
-        <priority value="TRACE" />
-        <appender-ref ref="ASYNCCOMPUTE" />
-    </category>
-    <!-- ======================= -->
-    <!-- Setup the Root category -->
-    <!-- ======================= -->
-
-    <root>
-        <priority value="WARN" />
-    </root>
-
-</log4j:configuration>
diff --git a/labs/iam/src/test/resources/logback.xml b/labs/iam/src/test/resources/logback.xml
new file mode 100644
index 0000000000..9679b2e03a
--- /dev/null
+++ b/labs/iam/src/test/resources/logback.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0"?>
+<configuration scan="false">
+    <appender name="FILE" class="ch.qos.logback.core.FileAppender">
+        <file>target/test-data/jclouds.log</file>
+
+        <encoder>
+            <Pattern>%d %-5p [%c] [%thread] %m%n</Pattern>
+        </encoder>
+    </appender>
+
+    <appender name="WIREFILE" class="ch.qos.logback.core.FileAppender">
+        <file>target/test-data/jclouds-wire.log</file>
+
+        <encoder>
+            <Pattern>%d %-5p [%c] [%thread] %m%n</Pattern>
+        </encoder>
+    </appender>
+    
+    <root>
+        <level value="warn" />
+    </root>
+
+    <logger name="org.jclouds">
+        <level value="DEBUG" />
+        <appender-ref ref="FILE" />
+    </logger>
+
+    <logger name="jclouds.wire">
+        <level value="DEBUG" />
+        <appender-ref ref="WIREFILE" />
+    </logger>
+
+    <logger name="jclouds.headers">
+        <level value="DEBUG" />
+        <appender-ref ref="WIREFILE" />
+    </logger>
+
+</configuration>