diff --git a/.config/checkstyle/checkstyle.xml b/.config/checkstyle/checkstyle.xml
index ffbc2a93..b5a41357 100644
--- a/.config/checkstyle/checkstyle.xml
+++ b/.config/checkstyle/checkstyle.xml
@@ -91,7 +91,7 @@
 			<property name="ignoreFieldDeclaration" value="true"/>
 			<property name="ignoreHashCodeMethod" value="true"/>
 			<!-- Defaults + other common constant values (e.g. time) -->
-			<property name="ignoreNumbers" value="-1, 0, 1, 2, 3, 4, 5, 10, 12, 24, 31, 60, 100, 1000"/>
+			<property name="ignoreNumbers" value="-1, 0, 1, 2, 3, 4, 5, 8, 10, 12, 16, 24, 25, 31, 32, 50, 60, 64, 100, 128, 200, 256, 500, 512, 1000, 1024, 2000, 2048, 4000, 4096, 8000, 8192"/>
 		</module>
 		<module name="MemberName"/>
 		<module name="MethodLength"/>
diff --git a/chartjs-java-model-demo/pom.xml b/chartjs-java-model-demo/pom.xml
index c7359b05..b60754f2 100644
--- a/chartjs-java-model-demo/pom.xml
+++ b/chartjs-java-model-demo/pom.xml
@@ -55,7 +55,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-assembly-plugin</artifactId>
-				<version>3.7.1</version>
+				<version>3.8.0</version>
 				<configuration>
 					<archive>
 						<manifest>
diff --git a/chartjs-java-model/pom.xml b/chartjs-java-model/pom.xml
index 0fdbdad7..2af68f17 100644
--- a/chartjs-java-model/pom.xml
+++ b/chartjs-java-model/pom.xml
@@ -204,7 +204,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-source-plugin</artifactId>
-				<version>3.3.1</version>
+				<version>3.4.0</version>
 				<executions>
 					<execution>
 						<id>attach-sources</id>
@@ -308,7 +308,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>12.1.2</version>
+								<version>12.2.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
@@ -346,12 +346,12 @@
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-core</artifactId>
-								<version>7.18.0</version>
+								<version>7.19.0</version>
 							</dependency>
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-java</artifactId>
-								<version>7.18.0</version>
+								<version>7.19.0</version>
 							</dependency>
 						</dependencies>
 					</plugin>
diff --git a/pom.xml b/pom.xml
index ba024a28..de4c10d5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>12.1.2</version>
+								<version>12.2.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
@@ -83,12 +83,12 @@
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-core</artifactId>
-								<version>7.18.0</version>
+								<version>7.19.0</version>
 							</dependency>
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-java</artifactId>
-								<version>7.18.0</version>
+								<version>7.19.0</version>
 							</dependency>
 						</dependencies>
 					</plugin>