diff --git a/aspects/pom.xml b/aspects/pom.xml
index 24743bc8ca..2f454295f2 100644
--- a/aspects/pom.xml
+++ b/aspects/pom.xml
@@ -11,10 +11,6 @@
     <artifactId>spring-security-aspects</artifactId>
     <name>Spring Security - Aspects</name>
     <dependencies>
-        <dependency>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.aspectj</groupId>
             <artifactId>aspectjweaver</artifactId>
diff --git a/config/pom.xml b/config/pom.xml
index 60b9151e50..4131308761 100644
--- a/config/pom.xml
+++ b/config/pom.xml
@@ -41,10 +41,6 @@
             <version>${project.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-ldap</artifactId>
@@ -76,7 +72,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.5.10</version>
+            <version>1.6.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/core/pom.xml b/core/pom.xml
index 6755513aa1..33ca91b01d 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -65,10 +65,6 @@
             <artifactId>ehcache</artifactId>
             <optional>true</optional>
         </dependency>
-        <dependency>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-        </dependency>
         <dependency>
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
diff --git a/itest/pom.xml b/itest/pom.xml
index 32e10bdbde..91015481f1 100644
--- a/itest/pom.xml
+++ b/itest/pom.xml
@@ -66,19 +66,19 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.5.10</version>
+            <version>1.6.0</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.5.10</version>
+            <version>1.6.0</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>jcl-over-slf4j</artifactId>
-            <version>1.5.10</version>
+            <version>1.6.0</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
diff --git a/ldap/pom.xml b/ldap/pom.xml
index 217b7cee27..85316f1e3c 100644
--- a/ldap/pom.xml
+++ b/ldap/pom.xml
@@ -19,10 +19,6 @@
             <groupId>org.springframework.ldap</groupId>
             <artifactId>spring-ldap-core</artifactId>
         </dependency>
-        <dependency>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-        </dependency>
         <dependency>
           <groupId>ldapsdk</groupId>
           <artifactId>ldapsdk</artifactId>
diff --git a/pom.xml b/pom.xml
index a81ed0e3ef..3dbe99228b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -477,12 +477,6 @@
                 <groupId>org.springframework</groupId>
                 <artifactId>spring-core</artifactId>
                 <version>${spring.version}</version>
-                <exclusions>
-                    <exclusion>
-                        <groupId>commons-logging</groupId>
-                        <artifactId>commons-logging</artifactId>
-                    </exclusion>
-                </exclusions>
             </dependency>
             <dependency>
                 <groupId>org.springframework</groupId>
@@ -591,12 +585,6 @@
                 <artifactId>hsqldb</artifactId>
                 <version>1.8.0.10</version>
             </dependency>
-            <dependency>
-                <groupId>commons-logging</groupId>
-                <artifactId>commons-logging</artifactId>
-                <version>1.1.1</version>
-                <optional>true</optional>
-            </dependency>
             <dependency>
                 <groupId>javax.servlet</groupId>
                 <artifactId>servlet-api</artifactId>
diff --git a/samples/cas/client/pom.xml b/samples/cas/client/pom.xml
index 8db8b8dbd6..2eab51925a 100644
--- a/samples/cas/client/pom.xml
+++ b/samples/cas/client/pom.xml
@@ -27,7 +27,13 @@
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
-            <artifactId>spring-web</artifactId>
+            <artifactId>spring-core</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
@@ -43,13 +49,28 @@
             <artifactId>spring-aop</artifactId>
             <scope>runtime</scope>
         </dependency>
-
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.4.3</version>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
             <scope>runtime</scope>
-            <optional>true</optional>
         </dependency>
     </dependencies>
 
diff --git a/samples/contacts/pom.xml b/samples/contacts/pom.xml
index fe6a5fc302..81c9ecdff8 100644
--- a/samples/contacts/pom.xml
+++ b/samples/contacts/pom.xml
@@ -30,6 +30,16 @@
             <artifactId>spring-security-taglibs</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
@@ -75,6 +85,23 @@
             <artifactId>hsqldb</artifactId>
             <scope>runtime</scope>
         </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <version>1.6.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-log4j12</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
diff --git a/samples/ldap/pom.xml b/samples/ldap/pom.xml
index 320f3ef10b..6bdbc313d5 100644
--- a/samples/ldap/pom.xml
+++ b/samples/ldap/pom.xml
@@ -27,7 +27,13 @@
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
-            <artifactId>spring-web</artifactId>
+            <artifactId>spring-core</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
@@ -53,10 +59,27 @@
             <scope>compile</scope>
             <optional>true</optional>
         </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.5.8</version>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
             <scope>runtime</scope>
         </dependency>
     </dependencies>
diff --git a/samples/openid/pom.xml b/samples/openid/pom.xml
index ce7c91ed58..3920b8f294 100644
--- a/samples/openid/pom.xml
+++ b/samples/openid/pom.xml
@@ -32,10 +32,14 @@
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
-            <artifactId>spring-web</artifactId>
-            <scope>runtime</scope>
-        </dependency>
-        <dependency>
+            <artifactId>spring-core</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>        <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
             <scope>runtime</scope>
@@ -58,6 +62,24 @@
             <groupId>taglibs</groupId>
             <artifactId>standard</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-log4j12</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
diff --git a/samples/preauth/pom.xml b/samples/preauth/pom.xml
index 9cdba2ae4f..cbd2583f85 100644
--- a/samples/preauth/pom.xml
+++ b/samples/preauth/pom.xml
@@ -16,6 +16,16 @@
             <version>${project.version}</version>
             <scope>runtime</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-web</artifactId>
@@ -33,6 +43,29 @@
             <artifactId>spring-jdbc</artifactId>
             <scope>runtime</scope>
         </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-log4j12</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <scope>runtime</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/samples/tutorial/pom.xml b/samples/tutorial/pom.xml
index a7ca203ce3..e9d3b76a90 100644
--- a/samples/tutorial/pom.xml
+++ b/samples/tutorial/pom.xml
@@ -25,6 +25,16 @@
             <artifactId>spring-security-taglibs</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
@@ -58,6 +68,24 @@
             <artifactId>standard</artifactId>
             <scope>runtime</scope>
         </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-log4j12</artifactId>
+            <version>1.6.0</version>
+            <scope>runtime</scope>
+        </dependency>
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
diff --git a/sandbox/heavyduty/pom.xml b/sandbox/heavyduty/pom.xml
index 91c52215e4..d890d7bb45 100755
--- a/sandbox/heavyduty/pom.xml
+++ b/sandbox/heavyduty/pom.xml
@@ -26,7 +26,6 @@
             <artifactId>spring-security-taglibs</artifactId>
             <version>${spring.security.version}</version>
         </dependency>
-
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context-support</artifactId>
@@ -53,22 +52,6 @@
             <artifactId>spring-orm</artifactId>
             <version>${spring.version}</version>
         </dependency>
-
-<!--
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-context</artifactId>
-            <version>${spring.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-aop</artifactId>
-            <scope>runtime</scope>
-            <version>${spring.version}</version>
-        </dependency>
--->
         <dependency>
             <groupId>org.freemarker</groupId>
             <artifactId>freemarker</artifactId>
@@ -140,13 +123,13 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.5.8</version>
+            <version>1.6.0</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.5.8</version>
+            <version>1.6.0</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>