diff --git a/pom.xml b/pom.xml
index a10a724..6aaf003 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,8 +29,8 @@
 		<slf4j-version>1.7.2</slf4j-version>
 		<commons-logging-version>1.1.1</commons-logging-version>
 		<!-- test dependency versions -->
-		<easymock-version>3.4</easymock-version>
-		<junit-version>4.8.1</junit-version>
+		<easymock-version>4.1</easymock-version>
+		<junit-version>4.12</junit-version>
 	</properties>
 	<scm>
 		<url>https://github.com/j256/simplemagic</url>
@@ -96,7 +96,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>2.5.1</version>
+				<version>3.8.1</version>
 				<configuration>
 					<source>1.6</source>
 					<target>1.6</target>
@@ -105,7 +105,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-source-plugin</artifactId>
-				<version>2.2.1</version>
+				<version>3.2.1</version>
 				<executions>
 					<execution>
 						<goals>
@@ -117,26 +117,23 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>2.9.1</version>
+				<version>3.1.1</version>
 				<executions>
 					<execution>
 						<goals>
 							<goal>jar</goal>
 						</goals>
-						<configuration>
-							<showPackage>false</showPackage>
-							<additionalparam>-tag inheritDoc:X -Xdoclint:none</additionalparam>
-						</configuration>
 					</execution>
 				</executions>
 				<configuration>
-					<showPackage>false</showPackage>
 					<bottom>
 						This content is licensed by Gray Watson under the
 						&lt;a
-						href="http://creativecommons.org/licenses/by-sa/3.0/" &gt;Creative Commons Attribution-Share Alike 3.0 License.
+						href="https://creativecommons.org/licenses/by-sa/3.0/" &gt;Creative Commons Attribution-Share Alike 3.0 License.
 						&lt;/a&gt; </bottom>
-					<additionalparam>-tag inheritDoc:X -Xdoclint:none</additionalparam>
+					<additionalOptions>-tag inheritDoc:X</additionalOptions>
+					<doclint>none</doclint>
+					<source>1.6</source>
 					<excludePackageNames>
 					</excludePackageNames>
 				</configuration>
@@ -144,12 +141,12 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-eclipse-plugin</artifactId>
-				<version>2.9</version>
+				<version>2.10</version>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-gpg-plugin</artifactId>
-				<version>1.4</version>
+				<version>1.6</version>
 				<executions>
 					<execution>
 						<id>sign-artifacts</id>
@@ -167,7 +164,7 @@
 			<plugin>
 				<groupId>org.jacoco</groupId>
 				<artifactId>jacoco-maven-plugin</artifactId>
-				<version>0.7.7.201606060606</version>
+				<version>0.8.5</version>
 				<executions>
 					<execution>
 						<goals>
@@ -186,7 +183,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>2.19.1</version>
+				<version>3.0.0-M4</version>
 				<configuration>
 					<useSystemClassLoader>false</useSystemClassLoader>
 				</configuration>