diff --git a/opa-evaluator/build.gradle.kts b/opa-evaluator/build.gradle.kts
index 95bdde6f..f8e91b5f 100644
--- a/opa-evaluator/build.gradle.kts
+++ b/opa-evaluator/build.gradle.kts
@@ -19,7 +19,7 @@ dependencies {
     testImplementation("org.json:json:20250517")
     testImplementation("org.assertj:assertj-core:3.27.6")
     testImplementation("org.skyscreamer:jsonassert:1.5.3")
-    testImplementation("org.mockito:mockito-core:5.16.1")
+    testImplementation("org.mockito:mockito-core:5.23.0")
     testImplementation(project(":opa-builtins"))
 }
 
diff --git a/opa-services/build.gradle.kts b/opa-services/build.gradle.kts
index b311807e..095f6a41 100644
--- a/opa-services/build.gradle.kts
+++ b/opa-services/build.gradle.kts
@@ -21,7 +21,7 @@ dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter:5.10.1")
     testImplementation("org.junit.jupiter:junit-jupiter-params:5.8.2")
     testImplementation("org.assertj:assertj-core:3.27.6")
-    testImplementation("org.mockito:mockito-core:5.16.1")
+    testImplementation("org.mockito:mockito-core:5.23.0")
     testImplementation(project(":opa-jackson"))
 }