diff --git a/pom.xml b/pom.xml
index 16bc4fe..91ca830 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,9 +16,9 @@
     </scm>
 
     <properties>
-        <lucene.version>6.2.0</lucene.version>
+        <lucene.version>6.6.0</lucene.version>
         <morphology.version>1.3-SNAPSHOT</morphology.version>
-        <junit.version>4.8.2</junit.version>
+        <junit.version>4.12</junit.version>
     </properties>
 
     <distributionManagement>
@@ -96,7 +96,7 @@
         <plugins>
             <plugin>
                 <artifactId>maven-release-plugin</artifactId>
-                <version>2.5.2</version>
+                <version>2.5.3</version>
                 <configuration>
                     <useReleaseProfile>false</useReleaseProfile>
                     <releaseProfiles>release</releaseProfiles>
@@ -107,7 +107,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>3.7.0</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>