diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 481b0c7..15d2895
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
 
     <properties>
         <java.version>11</java.version>
-        <avro.version>1.9.2</avro.version>
+        <avro.version>1.11.3</avro.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>