diff --git a/docs/index.html b/docs/index.html
index 59b7c86..850bddb 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -79,7 +79,7 @@ <h4>Iterable</h4>
     <h3>Info:</h3>
     <ul>
         <li><strong>Copyright</strong>: 2021</li>
-        <li><strong>Release</strong>: 1.5.0</li>
+        <li><strong>Release</strong>: 1.5.1</li>
         <li><strong>License</strong>: MIT</li>
         <li><strong>Author</strong>: William Quelho Ferreira</li>
     </ul>
@@ -2096,7 +2096,7 @@ <h3>Returns:</h3>
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2021-09-20 12:55:29 </i>
+<i style="float:right;">Last updated 2021-10-06 13:17:03 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/functional-1.5-0.rockspec b/functional-1.5-1.rockspec
similarity index 96%
rename from functional-1.5-0.rockspec
rename to functional-1.5-1.rockspec
index e96ff3a..f2acfd9 100644
--- a/functional-1.5-0.rockspec
+++ b/functional-1.5-1.rockspec
@@ -1,8 +1,8 @@
 package = "functional"
-version = "1.5-0"
+version = "1.5-1"
 source = {
   url = "git://github.com/wqferr/functional",
-  tag = "v1.5.0"
+  tag = "v1.5.1"
 }
 
 description = {
diff --git a/functional.lua b/functional.lua
index d6406d2..71b790a 100644
--- a/functional.lua
+++ b/functional.lua
@@ -32,7 +32,7 @@
 -- </ul></p>
 -- @module functional
 -- @alias M
--- @release 1.5.0
+-- @release 1.5.1
 -- @author William Quelho Ferreira
 -- @copyright 2021
 -- @license MIT
@@ -49,7 +49,7 @@ local iter_meta = {}
 local unpack = table.unpack or unpack
 
 --- Module version.
-M._VERSION = "1.5.0"
+M._VERSION = "1.5.1"
 
 --- Iterate over the given <code>iterable</code>.
 -- <p>If <code>iterable</code> is an array, create an Iterator instance