diff --git a/de.bitctrl.dav.rest.client/build.gradle b/de.bitctrl.dav.rest.client/build.gradle
index e4623471..36486117 100644
--- a/de.bitctrl.dav.rest.client/build.gradle
+++ b/de.bitctrl.dav.rest.client/build.gradle
@@ -30,7 +30,7 @@ dependencies {
     
      // JAX-B dependencies for JDK 9+
     implementation "jakarta.xml.bind:jakarta.xml.bind-api:2.3.3"
-    implementation "org.glassfish.jaxb:jaxb-runtime:2.3.5"
+    implementation "org.glassfish.jaxb:jaxb-runtime:2.3.9"
 
     
     runtimeOnly fileTree('lib') { include '*.jar' }
diff --git a/de.bitctrl.dav.rest.server/build.gradle b/de.bitctrl.dav.rest.server/build.gradle
index 90e09007..cd16e702 100644
--- a/de.bitctrl.dav.rest.server/build.gradle
+++ b/de.bitctrl.dav.rest.server/build.gradle
@@ -16,7 +16,7 @@ dependencies {
      // JAX-B dependencies for JDK 9+
 
     implementation "jakarta.xml.bind:jakarta.xml.bind-api:2.3.3"
-    implementation "org.glassfish.jaxb:jaxb-runtime:2.3.5"
+    implementation "org.glassfish.jaxb:jaxb-runtime:2.3.9"
 
     
     testImplementation 'jakarta.ws.rs:jakarta.ws.rs-api:2.1.6'