diff --git a/build.gradle b/build.gradle
index 9a04657..1d6c89c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -48,7 +48,7 @@ javaPlatform {
 
 dependencies {
     api platform('org.junit:junit-bom:5.10.0')
-    api platform('org.apache.logging.log4j:log4j-bom:2.20.0')
+    api platform('org.apache.logging.log4j:log4j-bom:2.21.0')
 
     constraints {
         api 'com.github.spotbugs:spotbugs-annotations:4.8.0'