diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index d191912..3588774
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
     <description>A simple tool for exporting data from Grid to Excel or CSV</description>
 
     <properties>
-        <vaadin.version>11.0.0</vaadin.version>
+        <vaadin.version>14.4.10</vaadin.version>
 
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>