diff --git a/pom.xml b/pom.xml
index d86a814..bbb280f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,12 +76,12 @@
       <plugin>
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
-        <version>4.7.3.6</version>
+        <version>4.8.1.0</version>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
-        <version>3.3.0</version>
+        <version>3.3.1</version>
       </plugin>
       <!-- 3.8.1 required to support Java 7 -->
       <plugin>
@@ -96,7 +96,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>
-        <version>3.21.0</version>
+        <version>3.21.2</version>
       </plugin>
       <!-- 3.2.0 required to support Java 7 -->
       <plugin>
@@ -117,7 +117,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>versions-maven-plugin</artifactId>
-        <version>2.16.1</version>
+        <version>2.16.2</version>
       </plugin>
       <!-- 0.8.10 required to support Java 7 -->
       <plugin>
@@ -181,7 +181,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-dependency-plugin</artifactId>
-            <version>3.6.0</version>
+            <version>3.6.1</version>
           </plugin>
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>