diff --git a/pom.xml b/pom.xml
index e05e2d8..20db195 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,30 +24,30 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>${junit.version}</version>
+      <version>4.4</version>
       <scope>test</scope>
     </dependency>
    	<!-- Logging -->
 	<dependency>
 		<groupId>org.slf4j</groupId>
 		<artifactId>slf4j-api</artifactId>
-		<version>${slf4j-api.version}</version>
+		<version>1.7.12</version>
 		<scope>compile</scope>
 	</dependency>
 	<dependency>
 		<groupId>org.apache.logging.log4j</groupId>
 		<artifactId>log4j-slf4j-impl</artifactId>
-		<version>${log4j-slf4j-impl.version}</version>
+		<version>2.3.1</version>
 	</dependency>
 	<dependency>
 	    <groupId>commons-lang</groupId>
 	    <artifactId>commons-lang</artifactId>
-	    <version>${org.apache.commons.lang.version}</version>
+	    <version>2.6</version>
 	</dependency>
 	<dependency>
 		<groupId>org.apache.logging.log4j</groupId>
 		<artifactId>log4j-core</artifactId>
-		<version>${log4j-core.version}</version>
+		<version>2.12.4</version>
 	</dependency>
 	<dependency>
 	    <groupId>com.whalin</groupId>