diff --git a/pom.xml b/pom.xml
index fce9e8c..ed2bbd8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@ under the License.
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <flink.version>1.8.0</flink.version>
         <scala.binary.version>2.11</scala.binary.version>
-        <log4j.version>2.17.0</log4j.version>
+        <log4j.version>2.17.1</log4j.version>
         <guava.version>23.0</guava.version>
     </properties>