diff --git a/glink-core/pom.xml b/glink-core/pom.xml
index ee968c9..fe5b9b0 100644
--- a/glink-core/pom.xml
+++ b/glink-core/pom.xml
@@ -89,7 +89,7 @@
         <dependency>
             <groupId>org.apache.avro</groupId>
             <artifactId>avro</artifactId>
-            <version>1.10.2</version>
+            <version>1.11.3</version>
         </dependency>
         <dependency>
             <groupId>org.apache.flink</groupId>
diff --git a/pom.xml b/pom.xml
index a9c781b..ecf6ad6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <properties>
         <flink.version>1.12.0</flink.version>
         <kafka.version>2.4.1</kafka.version>
-        <avro.version>1.8.2</avro.version>
+        <avro.version>1.11.3</avro.version>
         <bijection.version>0.9.7</bijection.version>
         <scala.binary.version>2.11</scala.binary.version>
         <scala.version>2.11.7</scala.version>