diff --git a/pom.xml b/pom.xml
index 2cad3156083..51ad7aaad82 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,7 +51,7 @@
     <hdrhistogram.version>2.1.10</hdrhistogram.version>
     <metrics.version>4.0.2</metrics.version>
     <native-protocol.version>1.4.3-SNAPSHOT</native-protocol.version>
-    <netty.version>4.1.26.Final</netty.version>
+    <netty.version>4.1.27.Final</netty.version>
     <slf4j.version>1.7.25</slf4j.version>
     <!-- optional dependencies -->
     <snappy.version>1.1.7.2</snappy.version>