diff --git a/depclean-core/pom.xml b/depclean-core/pom.xml
index 4a3d1822..53d984f2 100644
--- a/depclean-core/pom.xml
+++ b/depclean-core/pom.xml
@@ -112,7 +112,7 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-core</artifactId>
-      <version>3.8.5</version>
+      <version>3.9.9</version>
       <scope>compile</scope>
     </dependency>
     <!-- Graph construction and analysis -->
diff --git a/depclean-maven-plugin/pom.xml b/depclean-maven-plugin/pom.xml
index 3223595e..c6b6a2b1 100644
--- a/depclean-maven-plugin/pom.xml
+++ b/depclean-maven-plugin/pom.xml
@@ -39,7 +39,7 @@
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-core</artifactId>
-      <version>3.8.5</version>
+      <version>3.9.9</version>
       <scope>provided</scope>
     </dependency>
     <dependency>