diff --git a/pom.xml b/pom.xml
index 29d90aee091..fa18052f13f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,7 +73,7 @@
         <scala.binary.version>2.11</scala.binary.version>
         <spark.version>2.4.3</spark.version>
         <scala.version>2.11.6</scala.version>
-        <netty-all.version>4.1.17.Final</netty-all.version>
+        <netty-all.version>4.1.42.Final</netty-all.version>
         <scalatest.version>2.2.4</scalatest.version>
         <scalamock.version>3.1.4</scalamock.version>
         <commons.lang3.version>3.5</commons.lang3.version>
diff --git a/splice_timestamp_api/pom.xml b/splice_timestamp_api/pom.xml
index cd3cd3a9dad..dfb898646a3 100644
--- a/splice_timestamp_api/pom.xml
+++ b/splice_timestamp_api/pom.xml
@@ -30,7 +30,7 @@
         <dependency>
 		<groupId>io.netty</groupId>
 		<artifactId>netty-all</artifactId>
-		<version>4.0.23.Final</version>
+		<version>4.1.42.Final</version>
         </dependency>
         <dependency>
             <groupId>com.splicemachine</groupId>