diff --git a/README.md b/README.md
index ef5bb39..d2c11e1 100644
--- a/README.md
+++ b/README.md
@@ -22,17 +22,17 @@ With no command line use needed, you can:
 # Installation
 ## From Github Release
 ### Ubuntu
-1. `$ wget https://github.com/45Drives/cockpit-navigator/releases/download/v0.4.0/cockpit-navigator_0.4.0-1focal_all.deb`
-1. `# apt install ./cockpit-navigator_0.4.0-1focal_all.deb`
+1. `$ wget https://github.com/45Drives/cockpit-navigator/releases/download/v0.4/cockpit-navigator_0.4.1-1focal_all.deb`
+1. `# apt install ./cockpit-navigator_0.4.1-1focal_all.deb`
 ### EL7
-1. `# yum install https://github.com/45Drives/cockpit-navigator/releases/download/v0.4.0/cockpit-navigator-0.4.0-1.el7.noarch.rpm`
+1. `# yum install https://github.com/45Drives/cockpit-navigator/releases/download/v0.4/cockpit-navigator-0.4.1-1.el7.noarch.rpm`
 ### EL8
-1. `# dnf install https://github.com/45Drives/cockpit-navigator/releases/download/v0.4.0/cockpit-navigator-0.4.0-1.el8.noarch.rpm`
+1. `# dnf install https://github.com/45Drives/cockpit-navigator/releases/download/v0.4/cockpit-navigator-0.4.1-1.el8.noarch.rpm`
 ## From Source
 1. Ensure dependencies are installed: `cockpit`, `python3`, `rsync`, `zip`.
 1. `$ git clone https://github.com/45Drives/cockpit-navigator.git`
 1. `$ cd cockpit-navigator`
-1. `$ git checkout <version>` (v0.4.0 is latest)
+1. `$ git checkout <version>` (v0.4 is latest)
 1. `# make install`
 ## From 45Drives Repositories
 ### Ubuntu
diff --git a/debian/changelog b/debian/changelog
index e326339..ce78205 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+cockpit-navigator (0.4.1-1focal) focal; urgency=low
+
+  * Use smaller chunk size while uploading for older versions of Cockpit.
+
+ -- Josh Boudreau <jboudreau@45drives.com>  Mon, 07 Jun 2021 13:08:00 -0300
+
 cockpit-navigator (0.4.0-1focal) focal; urgency=low
 
   * Add icons to right click menu.
diff --git a/el/cockpit-navigator.spec b/el/cockpit-navigator.spec
index 3af363c..678ad9b 100644
--- a/el/cockpit-navigator.spec
+++ b/el/cockpit-navigator.spec
@@ -1,5 +1,5 @@
 Name:           cockpit-navigator
-Version:        0.4.0
+Version:        0.4.1
 Release:        1%{?dist}
 Summary:        A File System Browser for Cockpit.
 License:        GPL-3.0+
@@ -32,6 +32,8 @@ rm -rf %{buildroot}
 /usr/share/cockpit/navigator/*
 
 %changelog
+* Mon Jun 07 2021 Josh Boudreau <jboudreau@45drives.com> 0.4.1-1
+- Use smaller chunk size while uploading for older versions of Cockpit.
 * Mon Jun 07 2021 Josh Boudreau <jboudreau@45drives.com> 0.4.0-1
 - Add icons to right click menu.
 - Add ability to download files and directories.
diff --git a/navigator/navigator.js b/navigator/navigator.js
index 57d7ece..bb48ba8 100644
--- a/navigator/navigator.js
+++ b/navigator/navigator.js
@@ -1039,11 +1039,15 @@ class FileUpload {
 	/**
 	 * 
 	 * @param {File|Blob} file 
-	 * @param {Number} chunk_size 
 	 * @param {NavWindow} nav_window_ref
 	 */
-	constructor(file, chunk_size, nav_window_ref) {
-		this.chunk_size = chunk_size;
+	constructor(file, nav_window_ref) {
+		try {
+			this.chunk_size = (parseInt(cockpit.info.version) > 238)? 1048576 : 65536;
+		} catch(e) {
+			console.log(e);
+			this.chunk_size = 65536;
+		}
 		this.filename = file.name;
 		this.nav_window_ref = nav_window_ref;
 		this.path = nav_window_ref.pwd().path_str() + "/" + file.name;
@@ -1231,7 +1235,7 @@ class NavDragDrop {
 								window.alert(file.name + ": Cannot upload folders.");
 								continue;
 							}
-							var uploader = new FileUpload(file, 1048576, this.nav_window_ref);
+							var uploader = new FileUpload(file, this.nav_window_ref);
 							uploader.upload();
 						}
 					}
@@ -1239,7 +1243,7 @@ class NavDragDrop {
 					for (let file of ev.dataTransfer.files) {
 						if (file.type === "")
 							continue;
-						var uploader = new FileUpload(file, 1048576, this.nav_window_ref);
+						var uploader = new FileUpload(file, this.nav_window_ref);
 						uploader.upload();
 					}
 				}