diff --git a/pom.xml b/pom.xml
index c06c72c..711b850 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.6.6</version>
+			<version>2.0.13</version>
 			<scope>test</scope>
 		</dependency>
         <dependency>
@@ -75,7 +75,7 @@
 		<dependency>
 			<groupId>nl.jqno.equalsverifier</groupId>
 			<artifactId>equalsverifier</artifactId>
-			<version>3.1.10</version>
+			<version>3.16.1</version>
 			<scope>test</scope>
 		</dependency>
     </dependencies>
@@ -101,7 +101,7 @@
 			<plugin>
 				<groupId>org.jacoco</groupId>
 				<artifactId>jacoco-maven-plugin</artifactId>
-				<version>0.8.5</version>
+				<version>0.8.12</version>
 				<executions>
 					<execution>
 						<goals>
@@ -167,7 +167,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-gpg-plugin</artifactId>
-						<version>3.0.1</version>
+						<version>3.2.3</version>
 						<configuration>
 							<gpgArguments>
 								<arg>--pinentry-mode</arg>