diff --git a/build.gradle b/build.gradle
index e50e9e1..8438b51 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,7 +45,7 @@ repositories {
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.13.2'
     testCompile 'org.reactivestreams:reactive-streams-tck-flow:1.0.4'
-    testCompile group: 'org.testng', name: 'testng', version: '7.5'
+    testCompile group: 'org.testng', name: 'testng', version: '7.7.1'
 }
 
 [compileJava, compileTestJava]*.options*.compilerArgs << "-parameters"