diff --git a/pmml-rexp-example/pom.xml b/pmml-rexp-example/pom.xml
index 92eb851..d69bb6d 100644
--- a/pmml-rexp-example/pom.xml
+++ b/pmml-rexp-example/pom.xml
@@ -52,7 +52,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-shade-plugin</artifactId>
-				<version>3.4.1</version>
+				<version>3.5.0</version>
 				<executions>
 					<execution>
 						<phase>package</phase>
diff --git a/pom.xml b/pom.xml
index 913dced..226156a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -112,6 +112,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.11.0</version>
 				<configuration>
+					<showDeprecation>true</showDeprecation>
+					<showWarnings>true</showWarnings>
 					<source>1.8</source>
 					<target>1.8</target>
 				</configuration>
@@ -127,7 +129,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-release-plugin</artifactId>
-				<version>3.0.0</version>
+				<version>3.0.1</version>
 				<configuration>
 					<autoVersionSubmodules>true</autoVersionSubmodules>
 					<localCheckout>true</localCheckout>
@@ -137,7 +139,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>3.0.0</version>
+				<version>3.1.2</version>
 				<configuration>
 					<argLine>${jacoco.agent}</argLine>
 					<trimStackTrace>false</trimStackTrace>
@@ -146,7 +148,7 @@
 			<plugin>
 				<groupId>org.jacoco</groupId>
 				<artifactId>jacoco-maven-plugin</artifactId>
-				<version>0.8.9</version>
+				<version>0.8.10</version>
 				<executions>
 					<execution>
 						<id>pre-unit-test</id>