diff --git a/pom.xml b/pom.xml
index 76a93ec..220a034 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,8 +18,10 @@
         <junit.version>4.12</junit.version>
         <spring.version>4.1.4.RELEASE</spring.version>
         <logback.version>1.1.2</logback.version>
-        <commons-lang3.version>3.3.2</commons-lang3.version>
-        <guava.version>18.0</guava.version>
+        <commons-lang3.version>3.9</commons-lang3.version>
+        <commons-io.version>2.6</commons-io.version>
+        <guava.version>27.1-jre</guava.version>
+        <lombok.version>1.18.8</lombok.version>
     </properties>
 
     <dependencies>
@@ -29,6 +31,11 @@
             <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-test</artifactId>
@@ -56,7 +63,7 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.4</version>
+            <version>${commons-io.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>