diff --git a/build.gradle b/build.gradle
index 3124d26..bb61d0d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -89,7 +89,7 @@ dependencies {
   implementation 'org.apache.opennlp:opennlp-tools:1.9.4'
 
   // the yaml tests require a log4j2 dependency, otherwise a dependency is thrown on startup
-  runtimeOnly 'org.apache.logging.log4j:log4j-core:2.11.1'
+  runtimeOnly 'org.apache.logging.log4j:log4j-core:2.16.0'
 }
 
 testClusters.all {