diff --git a/build.gradle b/build.gradle
index d89caa9..95b938d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,7 +46,7 @@ dependencies {
   implementation 'org.slf4j:slf4j-jdk14:1.7.36'
   implementation 'javax.validation:validation-api:2.0.1.Final'
   // testing
-  testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'
+  testImplementation 'org.junit.jupiter:junit-jupiter-api:5.9.1'
   testImplementation group: 'com.ginsberg', name: 'junit5-system-exit', version: '1.1.2'
   testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.2'
 }