diff --git a/gradle.properties b/gradle.properties
index 070facff..12131340 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,7 +19,7 @@
 
 javaSourceCompatibilityVersion=1.8
 
-avroVersion=1.9.0
+avroVersion=1.9.1
 parquetVersion=1.9.0
 hadoopVersion=2.9.2
 aspectjVersion=1.7.4