diff --git a/build.gradle b/build.gradle
index bb543ac..fc04e7f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -48,7 +48,7 @@ dependencies {
     implementation('org.slf4j:slf4j-api:1.7.25')
 
     testImplementation("com.google.guava:guava:25.1-jre")
-    testImplementation('org.apache.logging.log4j:log4j-core:2.16.0')
+    testImplementation('org.apache.logging.log4j:log4j-core:2.17.0')
     testImplementation('junit:junit:4.12')
     testImplementation('org.assertj:assertj-core:3.12.2')
     testImplementation('org.mockito:mockito-core:2.25.1')