Release 6.4.0.

Change-Id: I44dafddf8fe81ed0ea1c5630297fcfe37393dbbc
diff --git a/examples/quarkus/pom.xml b/examples/quarkus/pom.xml
index 64077de..e278d63 100644
--- a/examples/quarkus/pom.xml
+++ b/examples/quarkus/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>eu.mulk.quarkus-googlecloud-jsonlogging</groupId>
     <artifactId>quarkus-googlecloud-jsonlogging-parent</artifactId>
-    <version>6.3.0</version>
+    <version>6.4.0</version>
   </parent>
 
   <artifactId>quarkus-googlecloud-jsonlogging-quarkus-example</artifactId>
diff --git a/examples/spring-boot/pom.xml b/examples/spring-boot/pom.xml
index 869c5c1..acd8c67 100644
--- a/examples/spring-boot/pom.xml
+++ b/examples/spring-boot/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>eu.mulk.quarkus-googlecloud-jsonlogging</groupId>
     <artifactId>quarkus-googlecloud-jsonlogging-parent</artifactId>
-    <version>6.3.0</version>
+    <version>6.4.0</version>
   </parent>
 
   <artifactId>quarkus-googlecloud-jsonlogging-spring-boot-example</artifactId>