diff --git a/pmml-statsmodels-example/pom.xml b/pmml-statsmodels-example/pom.xml
index 5612847..a6b9692 100644
--- a/pmml-statsmodels-example/pom.xml
+++ b/pmml-statsmodels-example/pom.xml
@@ -40,7 +40,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-deploy-plugin</artifactId>
-				<version>3.1.2</version>
+				<version>3.1.3</version>
 				<configuration>
 					<skip>true</skip>
 				</configuration>
diff --git a/pom.xml b/pom.xml
index 0a04be7..8ac52dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -133,7 +133,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.7.0</version>
+				<version>3.10.1</version>
 				<configuration>
 					<javadocVersion>1.8</javadocVersion>
 				</configuration>
@@ -151,15 +151,12 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>3.3.1</version>
+				<version>3.5.1</version>
 				<configuration>
 					<argLine>${jacoco.agent}</argLine>
-					<systemProperties>
-						<property>
-							<name>java.util.logging.config.file</name>
-							<value>src/test/resources/logging.properties</value>
-						</property>
-					</systemProperties>
+					<systemPropertyVariables>
+						<java.util.logging.config.file>src/test/resources/logging.properties</java.util.logging.config.file>
+					</systemPropertyVariables>
 					<trimStackTrace>false</trimStackTrace>
 				</configuration>
 			</plugin>