diff --git a/build.gradle b/build.gradle
index 3f4cae4c..77dcc875 100644
--- a/build.gradle
+++ b/build.gradle
@@ -109,7 +109,7 @@ dependencies {
   testRuntimeOnly 'com.vladsch.flexmark:flexmark-all:0.64.8' //scalatest html output
   testImplementation 'org.pegdown:pegdown:1.6.0'
 
-  testImplementation 'org.mockito:mockito-core:5.17.0' // mocking framework
+  testImplementation 'org.mockito:mockito-core:5.18.0' // mocking framework
   testImplementation "org.scalatestplus:mockito-3-12_$scalaVersion:3.2.10.0" // syntactic sugar
 }