diff --git a/README.markdown b/README.markdown
index 720bc0828..a22f2e1ae 100644
--- a/README.markdown
+++ b/README.markdown
@@ -41,8 +41,8 @@ server binary. By default it is set to _/usr/bin/memcached_.
 
     -Dserver.version=version_of_testing_server
 
-This argument is used to specify the version of your testing server. Currently supported memcached versions by Elasticache are _1.4.5_, _1.4.14_, _1.4.24_.
-By default it is set to _1.4.24_.
+This argument is used to specify the version of your testing server. Currently supported memcached versions by Elasticache are _1.4.5_, _1.4.14_, _1.4.24_, _1.5.10_, _1.5.16_.
+By default it is set to _1.5.16_.
 
     -Dtest.type=ci
 
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 000000000..034e84803
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,21 @@
+# Security Policy
+
+## Supported Versions
+
+Use this section to tell people about which versions of your project are
+currently being supported with security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 5.1.x   | :white_check_mark: |
+| 5.0.x   | :x:                |
+| 4.0.x   | :white_check_mark: |
+| < 4.0   | :x:                |
+
+## Reporting a Vulnerability
+
+Use this section to tell people how to report a vulnerability.
+
+Tell them where to go, how often they can expect to get an update on a
+reported vulnerability, what to expect if the vulnerability is accepted or
+declined, etc.
diff --git a/build.xml b/build.xml
index 72768f94f..3806264ab 100644
--- a/build.xml
+++ b/build.xml
@@ -126,12 +126,12 @@
   <property name="test.type" value="unit"/>
 
   <!--integration test related properties -->
-  <property name="client.mode" value="Dynamic"/>
+  <property name="client.mode" value="Static"/>
   <property name="server.address_v4" value="127.0.0.1"/>
   <property name="server.address_v6" value="::1"/>
   <property name="server.bin" value="/usr/bin/memcached"/>
   <property name="server.port_number" value="11211"/>
-  <property name="server.version" value="1.4.24"/>
+  <property name="server.version" value="1.5.16"/>
   <property name="test.type" value="unit"/>
 
   <!--this is the naming policy for artifacts we want pulled down-->
diff --git a/ivy.xml b/ivy.xml
index fb25b0d7b..96d9f7989 100644
--- a/ivy.xml
+++ b/ivy.xml
@@ -48,8 +48,8 @@ SOFTWARE.
   </publications>
 
   <dependencies defaultconfmapping="sources->sources(),%->default" defaultconf="default,sources">
-    <dependency org="log4j" name="log4j" rev="${log4j.version}"
-        conf="common->master" />
+    <dependency org="org.apache.logging.log4j" name="log4j-api" rev="2.13.3" conf="common->master" />
+    <dependency org="org.apache.logging.log4j" name="log4j-core" rev="2.13.3" conf="common->master" />
     <dependency org="jmock" name="jmock" rev="${jmock.version}"
         conf="common->master" />
     <dependency org="junit" name="junit" rev="${junit.version}"
diff --git a/pom.xml b/pom.xml
index c415249f9..3e38072d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,17 +2,29 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.amazonaws</groupId>
   <artifactId>elasticache-java-cluster-client</artifactId>
-  <version>1.1.2</version>
-  <name>ElastiCacheJavaClusterClient</name>
+  <version>1.1.3</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>6</source>
+                    <target>6</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <name>ElastiCacheJavaClusterClient</name>
   <description>Amazon ElastiCache Cluster Client is an enhanced Java library to connect to ElastiCache clusters. This client library has been built upon Spymemcached and is released under the Apache 2.0 License.</description>
-  <url>https://aws.amazon.com/documentation/elasticache/</url>  
+  <url>https://aws.amazon.com/documentation/elasticache/</url>
    
   <dependencies>
     <!-- Optional Dependencies at Runtime -->
     <dependency>
-        <groupId>log4j</groupId>
-        <artifactId>log4j</artifactId>
-        <version>1.2.16</version>
+        <groupId>org.apache.logging.log4j</groupId>
+        <artifactId>log4j-1.2-api</artifactId>
+        <version>2.13.3</version>
         <optional>true</optional>
     </dependency>
     <dependency>
diff --git a/src/it/java/net/spy/memcached/TestConfig.java b/src/it/java/net/spy/memcached/TestConfig.java
index 34c714f87..733b57225 100644
--- a/src/it/java/net/spy/memcached/TestConfig.java
+++ b/src/it/java/net/spy/memcached/TestConfig.java
@@ -35,7 +35,9 @@ public final class TestConfig {
   public static enum engineTypeEnum {
     V_1_4_24 ("1.4.24", true),
     V_1_4_14 ("1.4.14", true),
-    V_1_4_5 ("1.4.5", false);
+    V_1_4_5 ("1.4.5", false),
+    V_1_5_10 ("1.5.10", true),
+    V_1_5_16 ("1.5.16", true);
     private String version;
     private boolean setConfigSupported;
     engineTypeEnum(String version, boolean setConfigSupported) {
diff --git a/src/main/java/net/spy/memcached/compat/log/Log4JLogger.java b/src/main/java/net/spy/memcached/compat/log/Log4JLogger.java
index e0e7338b2..55081ca3b 100644
--- a/src/main/java/net/spy/memcached/compat/log/Log4JLogger.java
+++ b/src/main/java/net/spy/memcached/compat/log/Log4JLogger.java
@@ -23,7 +23,8 @@
 
 package net.spy.memcached.compat.log;
 
-import org.apache.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 /**
  * Logging implementation using <a
@@ -42,7 +43,7 @@ public Log4JLogger(String name) {
     super(name);
 
     // Get the log4j logger instance.
-    l4jLogger = Logger.getLogger(name);
+    l4jLogger = LogManager.getLogger(name);
   }
 
   @Override
@@ -69,33 +70,33 @@ public boolean isInfoEnabled() {
    */
   @Override
   public void log(Level level, Object message, Throwable e) {
-    org.apache.log4j.Level pLevel = org.apache.log4j.Level.DEBUG;
+    org.apache.logging.log4j.Level pLevel = org.apache.logging.log4j.Level.DEBUG;
 
     switch (level == null ? Level.FATAL : level) {
-    case TRACE:
-      pLevel = org.apache.log4j.Level.TRACE;
-      break;
-    case DEBUG:
-      pLevel = org.apache.log4j.Level.DEBUG;
-      break;
-    case INFO:
-      pLevel = org.apache.log4j.Level.INFO;
-      break;
-    case WARN:
-      pLevel = org.apache.log4j.Level.WARN;
-      break;
-    case ERROR:
-      pLevel = org.apache.log4j.Level.ERROR;
-      break;
-    case FATAL:
-      pLevel = org.apache.log4j.Level.FATAL;
-      break;
-    default:
-      // I don't know what this is, so consider it fatal
-      pLevel = org.apache.log4j.Level.FATAL;
-      l4jLogger.log("net.spy.compat.log.AbstractLogger", pLevel, "Unhandled "
-          + "log level:  " + level + " for the following message", null);
+      case TRACE:
+        pLevel = org.apache.logging.log4j.Level.TRACE;
+        break;
+      case DEBUG:
+        pLevel = org.apache.logging.log4j.Level.DEBUG;
+        break;
+      case INFO:
+        pLevel = org.apache.logging.log4j.Level.INFO;
+        break;
+      case WARN:
+        pLevel = org.apache.logging.log4j.Level.WARN;
+        break;
+      case ERROR:
+        pLevel = org.apache.logging.log4j.Level.ERROR;
+        break;
+      case FATAL:
+        pLevel = org.apache.logging.log4j.Level.FATAL;
+        break;
+      default:
+        // I don't know what this is, so consider it fatal
+        pLevel = org.apache.logging.log4j.Level.FATAL;
+        String logMessage = String.format("Unhandled log level: %s for the following message", level);
+        l4jLogger.log(pLevel, logMessage, (Throwable) null);
     }
-    l4jLogger.log("net.spy.compat.log.AbstractLogger", pLevel, message, e);
+    l4jLogger.log( pLevel, message, e );
   }
 }