diff --git a/build.gradle b/build.gradle
index e1ae6416..c748402d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -50,7 +50,7 @@ dependencies {
     poiSharedStringsImplementation "com.github.pjfanning:poi-shared-strings:$poiSharedStringsVersion"
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.nanohttpd:nanohttpd:2.3.1'
-    testImplementation 'org.mockito:mockito-core:4.11.0'
+    testImplementation 'org.mockito:mockito-core:5.14.0'
     testRuntimeOnly "org.slf4j:slf4j-simple:$slf4jVersion"
     testRuntimeOnly 'org.apache.logging.log4j:log4j-to-slf4j:2.23.1'
 }