diff --git a/pom.xml b/pom.xml
index 2bff27ca3..d817faf6a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -75,7 +75,7 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>
-            <version>4.11.0</version>
+            <version>5.3.0</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/src/test/java/com/amazonaws/encryptionsdk/internal/DecryptionHandlerTest.java b/src/test/java/com/amazonaws/encryptionsdk/internal/DecryptionHandlerTest.java
index 7ed598115..cec877bbb 100644
--- a/src/test/java/com/amazonaws/encryptionsdk/internal/DecryptionHandlerTest.java
+++ b/src/test/java/com/amazonaws/encryptionsdk/internal/DecryptionHandlerTest.java
@@ -642,7 +642,8 @@ public void withNoMaxEdks() {
     final byte[] plaintext = new byte[plaintextLen];
     decryptionHandler.processBytes(header, 0, header.length, plaintext, 0);
   }
-
+  
+  @Test
   public void validSignatureAcrossMultipleBlocks() {
     byte[] ciphertext =
         getTestMessage(