diff --git a/mrm-servlet/src/test/java/org/codehaus/mojo/mrm/impl/maven/ArtifactStoreFileSystemTest.java b/mrm-servlet/src/test/java/org/codehaus/mojo/mrm/impl/maven/ArtifactStoreFileSystemTest.java
index ab0cec19..cb33f21f 100644
--- a/mrm-servlet/src/test/java/org/codehaus/mojo/mrm/impl/maven/ArtifactStoreFileSystemTest.java
+++ b/mrm-servlet/src/test/java/org/codehaus/mojo/mrm/impl/maven/ArtifactStoreFileSystemTest.java
@@ -20,7 +20,7 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.isA;
+import static org.mockito.ArgumentMatchers.isA;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
diff --git a/pom.xml b/pom.xml
index de5c5718..5a663f24 100644
--- a/pom.xml
+++ b/pom.xml
@@ -173,7 +173,7 @@
       <dependency>
         <groupId>org.mockito</groupId>
         <artifactId>mockito-core</artifactId>
-        <version>3.12.4</version>
+        <version>4.1.0</version>
         <scope>test</scope>
       </dependency>
     </dependencies>