diff --git a/de.bitctrl.dav.rest.api/build.gradle b/de.bitctrl.dav.rest.api/build.gradle
index 99286c79..810b5ce2 100644
--- a/de.bitctrl.dav.rest.api/build.gradle
+++ b/de.bitctrl.dav.rest.api/build.gradle
@@ -10,7 +10,7 @@ sourceSets.main.java.srcDir "$buildDir/generated"
 
 ext {
 
-	jackson_version = "2.13.2"
+	jackson_version = "2.13.4.2"
 }
 
 ramltojaxrs {