diff --git a/pom.xml b/pom.xml
index c3f306b..94e6d30 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,9 +12,9 @@
     <url>https://www.flowingcode.com/en/open-source/</url>
 
     <properties>
-        <vaadin.version>24.9.1</vaadin.version>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <vaadin.version>14.11.13</vaadin.version>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <drivers.dir>${project.basedir}/drivers</drivers.dir>