diff --git a/Sampling/pom.xml b/Sampling/pom.xml
index 26a2fa5..e9e783d 100644
--- a/Sampling/pom.xml
+++ b/Sampling/pom.xml
@@ -13,7 +13,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<flink.version>1.8.2</flink.version>
+		<flink.version>1.9.2</flink.version>
 		<java.version>1.8</java.version>
 		<scala.binary.version>2.12</scala.binary.version>
 		<maven.compiler.source>${java.version}</maven.compiler.source>