diff --git a/greenmail-webapp/pom.xml b/greenmail-webapp/pom.xml
index 7550474d6..a86f3d4fc 100644
--- a/greenmail-webapp/pom.xml
+++ b/greenmail-webapp/pom.xml
@@ -93,6 +93,15 @@
           <archive>
             <addMavenDescriptor>true</addMavenDescriptor>
           </archive>
+          <webResources>
+            <resource>
+              <directory>src/main/webapp</directory>
+              <includes>
+                <include>greenmail-openapi.yml</include>
+              </includes>
+              <filtering>true</filtering>
+            </resource>
+          </webResources>
         </configuration>
       </plugin>
       <plugin>
diff --git a/greenmail-webapp/src/main/webapp/greenmail-openapi.yml b/greenmail-webapp/src/main/webapp/greenmail-openapi.yml
index b4f5ce559..a5ba8476b 100644
--- a/greenmail-webapp/src/main/webapp/greenmail-openapi.yml
+++ b/greenmail-webapp/src/main/webapp/greenmail-openapi.yml
@@ -1,7 +1,7 @@
 ---
 openapi: "3.0.0"
 info:
-  version: 1.0.0
+  version: "${project.version}"
   title: GreenMail OpenAPI
   description: <p>RESTful API for GreenMail web application</p>
   license: