diff --git a/log4j-api-kotlin-sample/pom.xml b/log4j-api-kotlin-sample/pom.xml
index 510118c..811bb9c 100644
--- a/log4j-api-kotlin-sample/pom.xml
+++ b/log4j-api-kotlin-sample/pom.xml
@@ -27,9 +27,7 @@
   <packaging>jar</packaging>
   <name>Kotlin API samples</name>
   <url>http://http://logging.apache.org/log4j/2.x/</url>
-  <properties>
-    <kotlin.version>1.0.5</kotlin.version>
-  </properties>
+
   <dependencies>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
@@ -41,6 +39,7 @@
       <scope>runtime</scope>
     </dependency>
   </dependencies>
+
   <build>
     <sourceDirectory>src/main/kotlin</sourceDirectory>
     <plugins>
diff --git a/log4j-api-kotlin/pom.xml b/log4j-api-kotlin/pom.xml
index d0c62a6..4460b9e 100644
--- a/log4j-api-kotlin/pom.xml
+++ b/log4j-api-kotlin/pom.xml
@@ -27,10 +27,11 @@
   <packaging>jar</packaging>
   <name>Kotlin wrapper for Log4j API</name>
   <description>Kotlin wrapper for Log4j API</description>
+
   <properties>
     <log4jParentDir>${basedir}/..</log4jParentDir>
-    <kotlin.version>1.0.5</kotlin.version>
   </properties>
+
   <dependencies>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
@@ -60,10 +61,11 @@
     <dependency>
       <groupId>com.nhaarman</groupId>
       <artifactId>mockito-kotlin</artifactId>
-      <version>0.12.0</version>
+      <version>1.2.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
+
   <build>
     <sourceDirectory>src/main/kotlin</sourceDirectory>
     <testSourceDirectory>src/test/kotlin</testSourceDirectory>
@@ -112,6 +114,7 @@
       </plugin>
     </plugins>
   </build>
+
   <reporting>
     <plugins>
       <plugin>
diff --git a/pom.xml b/pom.xml
index 0453ad0..a251e55 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,10 +36,9 @@
   </scm>
 
   <properties>
-    <kotlin.version>1.0.5-2</kotlin.version>
+    <kotlin.version>1.1.60</kotlin.version>
   </properties>
 
-
   <dependencyManagement>
     <dependencies>
       <dependency>