diff --git a/pom.xml b/pom.xml
index 967f3b4..c57acf2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,20 +18,20 @@
 		<maven.compiler.release>8</maven.compiler.release>
 
 		<!-- dependencies -->
-		<gson.version>2.8.6</gson.version>
+		<gson.version>2.8.7</gson.version>
 		<guava.version>30.1.1-jre</guava.version>
-		<siv-mode.version>1.4.2</siv-mode.version>
-		<slf4j.version>1.7.30</slf4j.version>
+		<siv-mode.version>1.4.3</siv-mode.version>
+		<slf4j.version>1.7.31</slf4j.version>
 
 		<!-- test dependencies -->
-		<junit.jupiter.version>5.7.1</junit.jupiter.version>
-		<mockito.version>3.9.0</mockito.version>
+		<junit.jupiter.version>5.7.2</junit.jupiter.version>
+		<mockito.version>3.11.2</mockito.version>
 		<hamcrest.version>2.2</hamcrest.version>
-		<jmh.version>1.29</jmh.version>
+		<jmh.version>1.32</jmh.version>
 
 		<!-- build plugin dependencies -->
-		<dependency-check.version>6.1.6</dependency-check.version>
-		<jacoco.version>0.8.6</jacoco.version>
+		<dependency-check.version>6.2.2</dependency-check.version>
+		<jacoco.version>0.8.7</jacoco.version>
 		<nexus-staging.version>1.6.8</nexus-staging.version>
 	</properties>
 
@@ -196,7 +196,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.2.0</version>
+				<version>3.3.0</version>
 				<executions>
 					<execution>
 						<id>attach-javadocs</id>
@@ -297,7 +297,7 @@
 				<plugins>
 					<plugin>
 						<artifactId>maven-gpg-plugin</artifactId>
-						<version>1.6</version>
+						<version>3.0.1</version>
 						<executions>
 							<execution>
 								<id>sign-artifacts</id>