diff --git a/appdefs.xml b/appdefs.xml
index f5c8a92..86a1e97 100644
--- a/appdefs.xml
+++ b/appdefs.xml
@@ -109,6 +109,11 @@ Where:
     </documentation>
     <!-- Changelog of the application. -->
     <history>
+      <release>
+        <version>1.26.1</version>
+        <date>2022-06-02</date>
+        <change>Updated Nginx Proxy Manager to version 2.9.18.</change>
+      </release>
       <release>
         <version>1.26.0</version>
         <date>2022-02-22</date>