diff --git a/README.md b/README.md
index 11a6844..931b627 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@
 Following dependencies are downloaded automatically:
 * Aerospike Java client 4.3.0 or greater
 * Apache commons cli 1.2
-* Log4j 2.11.1
+* Log4j 2.15.0
 * Junit 4.4
 * Json-simple 1.1.1
 
diff --git a/build b/build
index 9ba2bca..9591a23 100755
--- a/build
+++ b/build
@@ -1,3 +1,4 @@
+#! /usr/bin/env bash
 # Build Java projects with Maven.
 # Maven and Java must be installed prior to running this script.
 
diff --git a/doc/releasenotes.md b/doc/releasenotes.md
index 9e5b3d0..d9b594c 100644
--- a/doc/releasenotes.md
+++ b/doc/releasenotes.md
@@ -44,3 +44,11 @@
 -   Fixed data upload counters.
 -   Fix docs related to json/geojson spec.
 -   Fix examples for GeoJSON object.
+
+## Aerospike Loader [2.4] Release Date [19 Oct 2021]
+### New features:
+-   Add shebang to run_loader script to allow execution from non-bash based shells.
+
+## Aerospike Loader [2.4.1] Release Date [13 Dec 2021]
+### Fix/Changes:
+-   Update log4j to version 2.15.0.
diff --git a/pom.xml b/pom.xml
index 7d60a25..bf718cc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.aerospike</groupId>
 	<artifactId>aerospike-load</artifactId>
-	<version>2.3.5</version>
+	<version>2.4.1</version>
 	<name>Aerospike DSV Loader</name>
 	<packaging>jar</packaging>
 
@@ -44,12 +44,12 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-api</artifactId>
-			<version>2.11.1</version>
+			<version>2.15.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-core</artifactId>
-			<version>2.11.1</version>
+			<version>2.15.0</version>
 		</dependency>
 		<!-- junit -->
 		<dependency>
diff --git a/pom.xml.orig b/pom.xml.orig
index 6662c5f..abecd4e 100644
--- a/pom.xml.orig
+++ b/pom.xml.orig
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.aerospike</groupId>
 	<artifactId>aerospike-load</artifactId>
-	<version>2.3.5</version>
+	<version>2.4.1</version>
 	<name>Aerospike DSV Loader</name>
 	<packaging>jar</packaging>