use the same version of SLF4J as Geronimo 2.2 Server

git-svn-id: https://svn.apache.org/repos/asf/geronimo/components/txmanager/trunk@725355 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 4556559..58c338e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,13 +67,13 @@
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-api</artifactId>
-                <version>1.5.0</version>
+                <version>1.5.5</version>
             </dependency>
 
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-simple</artifactId>
-                <version>1.5.0</version>
+                <version>1.5.5</version>
                 <scope>test</scope>
             </dependency>