diff --git a/pom.xml b/pom.xml
index cb1cea4..3b7b731 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
 		<guava.version>32.1.3-jre</guava.version>
 
 		<!-- maven plugins -->
-		<dependency-check.version>9.0.5</dependency-check.version>
+		<dependency-check.version>9.0.6</dependency-check.version>
 	</properties>
 
 	<dependencies>
@@ -110,7 +110,7 @@
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
 				<artifactId>versions-maven-plugin</artifactId>
-				<version>2.16.1</version>
+				<version>2.16.2</version>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
@@ -162,7 +162,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>3.2.1</version>
+				<version>3.2.3</version>
 			</plugin>
 			<plugin>
 				<artifactId>maven-jar-plugin</artifactId>
@@ -190,7 +190,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.6.0</version>
+				<version>3.6.3</version>
 				<executions>
 					<execution>
 						<id>attach-javadocs</id>