diff --git a/build.gradle b/build.gradle
index 7b4db7ee..54b2e463 100644
--- a/build.gradle
+++ b/build.gradle
@@ -226,7 +226,7 @@ dependencies {
 	testImplementation 'io.github.java-diff-utils:java-diff-utils:2.2.0'
 	testImplementation 'de.danielbechler:java-object-diff:0.94'
 	testImplementation 'org.jsoup:jsoup:1.10.2'
-	testImplementation 'org.mockito:mockito-core:3.0.0'
+	testImplementation 'org.mockito:mockito-core:5.20.0'
 	testImplementation('com.github.kbase:java_test_utilities:0.1.0') {
 		exclude group: 'com.fasterxml.jackson.core'  // upgrading breaks stuff
 	}