diff --git a/bootiso b/bootiso
index 7cd9679..b37f0ce 100755
--- a/bootiso
+++ b/bootiso
@@ -2,7 +2,7 @@
 # shellcheck disable=SC2181
 # shellcheck disable=SC2236
 #
-# Version 4.0.0-alpha.0
+# Version 4.0.0
 #
 # bootiso - create a bootable USB drive from an image file
 # Copyright (C) 2018-2020 jules randolph <jules.sam.randolph@gmail.com>
@@ -26,7 +26,7 @@
 set -o pipefail
 set -E
 
-version="4.0.0-alpha.0"
+version="4.0.0"
 scriptName=$(basename "$0")
 bashVersion=$(echo "$BASH_VERSION" | cut -d. -f1)
 
diff --git a/docs/index.html b/docs/index.html
index ddc522c..cbbedcb 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -637,7 +637,7 @@ <h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1
 <table class="foot">
   <tr>
     <td class="foot-date">April 19, 2020</td>
-    <td class="foot-os">bootiso 4.0.0-alpha.0</td>
+    <td class="foot-os">bootiso 4.0.0</td>
   </tr>
 </table>
 </body>
diff --git a/extra/man/bootiso.1 b/extra/man/bootiso.1
index 23c600a..4a88bb1 100644
--- a/extra/man/bootiso.1
+++ b/extra/man/bootiso.1
@@ -1,7 +1,7 @@
 .\" The following commands are required for all man pages. 
 .Dd April 19, 2020
 .Dt BOOTISO 1
-.Os bootiso 4.0.0-alpha.0
+.Os bootiso 4.0.0
 .Sh NAME 
 .Nm bootiso 
 .Nd create a bootable USB drive from an image file