diff --git a/sdk-java-ui/build.gradle b/sdk-java-ui/build.gradle
index 5d0a2ad9..73ef0428 100644
--- a/sdk-java-ui/build.gradle
+++ b/sdk-java-ui/build.gradle
@@ -65,7 +65,7 @@ dependencies {
   implementation 'org.json:json:20250517'
 
   testImplementation 'junit:junit:4.13.1'
-  testImplementation 'org.mockito:mockito-core:4.11.0'
+  testImplementation 'org.mockito:mockito-core:5.23.0'
 }
 
 // Coverage. Reports land in build/reports/jacoco/test/ (HTML to read, XML for tooling).
diff --git a/sdk-java/build.gradle b/sdk-java/build.gradle
index 365bf075..66967f8b 100644
--- a/sdk-java/build.gradle
+++ b/sdk-java/build.gradle
@@ -15,7 +15,7 @@ dependencies {
   implementation 'com.google.code.findbugs:jsr305:3.0.2'
 
   testImplementation 'junit:junit:4.13.1'
-  testImplementation 'org.mockito:mockito-core:4.11.0'
+  testImplementation 'org.mockito:mockito-core:5.23.0'
   //testImplementation 'com.squareup.okhttp3:mockwebserver:3.7.0'
 }