diff --git a/build.gradle b/build.gradle
index 88ecdbf..c2296e0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ dependencies {
     //implementation 'com.google.guava:guava:27.1-jre'
 
     // Use JUnit test framework
-    testImplementation 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.13.1'
 
     // Spark framework
     implementation 'com.sparkjava:spark-core:2.8.0'