diff --git a/sms2webhook/build.gradle b/sms2webhook/build.gradle
index 5087233..fe31478 100644
--- a/sms2webhook/build.gradle
+++ b/sms2webhook/build.gradle
@@ -69,7 +69,7 @@ dependencies {
     
     // Unit testing
     testImplementation 'junit:junit:4.13.2'
-    testImplementation 'org.mockito:mockito-core:5.18.0'
+    testImplementation 'org.mockito:mockito-core:5.23.0'
     testImplementation 'org.json:json:20260522'
 
     // Instrumented testing