diff --git a/changelog.html b/changelog.html
index 82fbe6f..782d5ff 100644
--- a/changelog.html
+++ b/changelog.html
@@ -42,6 +42,13 @@
 
 <h1>Push Server Plugin Changelog</h1>
 
+<p><b>1.1.0</b> -- (tbd)</p>
+
+<ul>
+    <li>Now requires Openfire 4.8.0 or later.</li>
+    <li>[<a href="https://github.com/igniterealtime/openfire-pushserver-plugin/issues/18">#18</a>] - Fix compatibility issue with Openfire 4.9.0.</li>
+</ul>
+
 <p><b>1.0.0</b> -- Sep 16, 2022</p>
 
 <ul>
diff --git a/plugin.xml b/plugin.xml
index 7081b22..13c89fe 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -7,11 +7,9 @@
     <version>${project.version}</version>
 
     <author>Busoft Teknoloji A.Ş.</author>
-    <date>09/02/2021</date>
+    <date>2024-09-11</date>
 
-    <minJavaVersion>1.8</minJavaVersion>
-
-    <minServerVersion>4.3.0</minServerVersion>
+    <minServerVersion>4.8.0</minServerVersion>
 
     <databaseKey>pushserver</databaseKey>
     <databaseVersion>1</databaseVersion>
diff --git a/pom.xml b/pom.xml
index 3055e0c..2afbae2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,12 +7,12 @@
     <parent>
         <artifactId>plugins</artifactId>
         <groupId>org.igniterealtime.openfire</groupId>
-        <version>4.3.0</version>
+        <version>4.8.0</version>
     </parent>
 
     <groupId>org.igniterealtime.openfire.plugins</groupId>
     <artifactId>pushserver</artifactId>
-    <version>1.0.1-SNAPSHOT</version>
+    <version>1.1.0-SNAPSHOT</version>
 
     <properties>
         <maven.compiler.source>11</maven.compiler.source>
@@ -52,7 +52,7 @@
                     </execution>
                 </executions>
                 <configuration>
-                    <jvmTarget>1.8</jvmTarget>
+                    <jvmTarget>11</jvmTarget>
                 </configuration>
             </plugin>
             <!-- Compiles the Openfire Admin Console JSP pages. -->
diff --git a/src/java/org/igniterealtime/openfire/plugins/pushserver/PushServerProperty.kt b/src/java/org/igniterealtime/openfire/plugins/pushserver/PushServerProperty.kt
index 0a191fd..25427f7 100644
--- a/src/java/org/igniterealtime/openfire/plugins/pushserver/PushServerProperty.kt
+++ b/src/java/org/igniterealtime/openfire/plugins/pushserver/PushServerProperty.kt
@@ -22,8 +22,8 @@ class PushServerProperty: PropertyEventListener {
     companion object {
         val serviceName = JiveGlobals.getProperty("pushserver.name", "push")
 
-        val FCM_CREDENTIAL_FILE_PATH = "${JiveGlobals.getHomeDirectory()}${File.separator}conf${File.separator}pushserver-fcm.json"
-        val APNS_PKCS8_FILE_PATH = "${JiveGlobals.getHomeDirectory()}${File.separator}conf${File.separator}pushserver-apns.p8"
+        val FCM_CREDENTIAL_FILE_PATH = "${JiveGlobals.getHomePath().resolve("conf").resolve("pushserver-fcm.json")}"
+        val APNS_PKCS8_FILE_PATH = "${JiveGlobals.getHomePath().resolve("conf").resolve("pushserver-apns.p8")}"
 
         private val properties = Property.values().associateBy({it}) { JiveGlobals.getProperty(it.key, null) }.toMutableMap()
     }