diff --git a/pom.xml b/pom.xml
index 1fa126c..5516d5f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
     </developers>
 
     <properties>
-        <postmark.version>1.1.3</postmark.version>
+        <postmark.version>1.1.4</postmark.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
         <junit.jupiter.version>5.0.0-M4</junit.jupiter.version>
@@ -103,6 +103,13 @@
             <scope>test</scope>
         </dependency>
 
+        <!-- https://mvnrepository.com/artifact/log4j/log4j -->
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <version>1.2.17</version>
+        </dependency>
+
     </dependencies>
 
     <!-- all of the below is needed for releasing -->
diff --git a/src/main/java/com/wildbit/java/postmark/Postmark.java b/src/main/java/com/wildbit/java/postmark/Postmark.java
index 5035fc6..78ef9e7 100644
--- a/src/main/java/com/wildbit/java/postmark/Postmark.java
+++ b/src/main/java/com/wildbit/java/postmark/Postmark.java
@@ -2,9 +2,9 @@
 
 import com.wildbit.java.postmark.client.AccountApiClient;
 import com.wildbit.java.postmark.client.ApiClient;
+import org.apache.log4j.Logger;
 
 import javax.ws.rs.core.MultivaluedHashMap;
-import java.io.IOException;
 import java.io.InputStream;
 import java.util.Properties;
 
@@ -47,8 +47,10 @@ public static String libraryVersion()  {
         Properties prop = new Properties();
         InputStream in =  Postmark.class.getClassLoader().getResourceAsStream(".properties");
 
-        try { prop.load(in); } catch (IOException e) {
-            e.printStackTrace();
+        try {
+            prop.load(in);
+        } catch (Exception e) {
+            log.warn(e.toString());
         }
         return prop.getProperty("Version");
     }
@@ -75,6 +77,8 @@ public static AccountApiClient getAccountApiClient(String apiToken, Boolean secu
 
     private Postmark() {}
 
+    private static Logger log = Logger.getLogger(Postmark.class);
+
     private static MultivaluedHashMap getHeadersWithAuth(DEFAULTS authType, String apiToken) {
         MultivaluedHashMap headers = DefaultHeaders.headers();
         headers.add(authType.value, apiToken);
diff --git a/src/main/java/com/wildbit/java/postmark/client/HttpClientHandler.java b/src/main/java/com/wildbit/java/postmark/client/HttpClientHandler.java
index 7ddb1be..ca10eb8 100644
--- a/src/main/java/com/wildbit/java/postmark/client/HttpClientHandler.java
+++ b/src/main/java/com/wildbit/java/postmark/client/HttpClientHandler.java
@@ -2,6 +2,8 @@
 
 import com.wildbit.java.postmark.client.data.DataHandler;
 import com.wildbit.java.postmark.client.exception.*;
+import org.apache.log4j.Level;
+import org.apache.log4j.spi.RootLogger;
 
 import javax.ws.rs.core.MultivaluedHashMap;
 import java.io.IOException;
@@ -64,12 +66,22 @@ protected String execute(HttpClient.REQUEST_TYPES request_type, String url, Obje
 
     /**
      * Main source of issues can be the Object serialization process. To debug it, this method will set strict mapping, which
-     * will fail on any issues.
+     * will fail on any issues. Also by choosing debug mode, logging will be set to DEBUG level
      */
     public void setDebugMode() {
+        setLoggingLevel(Level.DEBUG);
         this.dataHandler.setStrictMapper();
     }
 
+    /**
+     * Custom level of logging can be set.
+     *
+     * @param level - debugging level - OFF, DEBUG, ERROR etc.
+     */
+    public void setLoggingLevel(Level level) {
+        RootLogger.getRootLogger().setLevel(level);
+    }
+
     public void setSecureConnection(boolean secureConnection) {
         this.secureConnection = secureConnection;
     }
diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
index e4fcb01..014e782 100644
--- a/src/main/resources/log4j.properties
+++ b/src/main/resources/log4j.properties
@@ -1,5 +1,5 @@
 # Set root logger level to DEBUG and its only appender to A1.
-log4j.rootLogger=DEBUG, A1
+log4j.rootLogger=OFF, A1
 
 # A1 is set to be a ConsoleAppender.
 log4j.appender.A1=org.apache.log4j.ConsoleAppender