SLING-11010 update to Sling API 2.16.4
diff --git a/pom.xml b/pom.xml
index 259892c..991319e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,7 +76,7 @@
         <dependency>
             <groupId>org.apache.sling</groupId>
             <artifactId>org.apache.sling.api</artifactId>
-            <version>2.9.0</version>
+            <version>2.16.4</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>