diff --git a/pom.xml b/pom.xml
index e51fbdabd..a04cec4cd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,6 +70,41 @@
     </scm>
 
     <profiles>
+        <profile>
+            <id>mockito-5-jdk-11</id>
+            <activation>
+                <jdk>[11,)</jdk>
+            </activation>
+            <dependencies>
+                <dependency>
+                    <groupId>org.mockito</groupId>
+                    <artifactId>mockito-core</artifactId>
+                    <version>5.21.0</version>
+                    <scope>test</scope>
+                </dependency>
+            </dependencies>
+            <build>
+                <plugins>
+                    <plugin>
+                        <artifactId>maven-compiler-plugin</artifactId>
+                        <version>3.15.0</version>
+                        <executions>
+                            <execution>
+                                <id>default-testCompile</id>
+                                <phase>test-compile</phase>
+                                <goals>
+                                    <goal>testCompile</goal>
+                                </goals>
+                                <configuration>
+                                    <source>11</source>
+                                    <target>11</target>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
         <profile>
             <id>devsite-apidocs</id>
             <activation>
diff --git a/src/test/java/com/google/firebase/testing/MockitoTestRule.java b/src/test/java/com/google/firebase/testing/MockitoTestRule.java
index 99edaed42..8b87bd20b 100644
--- a/src/test/java/com/google/firebase/testing/MockitoTestRule.java
+++ b/src/test/java/com/google/firebase/testing/MockitoTestRule.java
@@ -33,11 +33,12 @@ public Statement apply(final Statement base, FrameworkMethod method, final Objec
     return new Statement() {
       @Override
       public void evaluate() throws Throwable {
-        MockitoAnnotations.initMocks(target);
+        AutoCloseable closeable = MockitoAnnotations.openMocks(target);
         try {
           base.evaluate();
         } finally {
           Mockito.validateMockitoUsage();
+          closeable.close();
         }
       }
     };