diff --git a/_static/documentation_options.js b/_static/documentation_options.js
index 373dfb6..cc4fb37 100644
--- a/_static/documentation_options.js
+++ b/_static/documentation_options.js
@@ -1,6 +1,6 @@
 var DOCUMENTATION_OPTIONS = {
     URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
-    VERSION: '1.2.1',
+    VERSION: '1.2.2',
     LANGUAGE: 'en',
     COLLAPSE_INDEX: false,
     BUILDER: 'html',
diff --git a/genindex.html b/genindex.html
index 34779ed..c0c8c6d 100644
--- a/genindex.html
+++ b/genindex.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Index &mdash; version 1.2.1 documentation</title>
+  <title>Index &mdash; version 1.2.2 documentation</title>
       <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
   <!--[if lt IE 9]>
@@ -28,7 +28,7 @@
             <a href="index.html" class="icon icon-home"> version
           </a>
               <div class="version">
-                1.2.1
+                1.2.2
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
diff --git a/index.html b/index.html
index 22ee914..6d64d53 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,7 @@
   <meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
 
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>version &mdash; version 1.2.1 documentation</title>
+  <title>version &mdash; version 1.2.2 documentation</title>
       <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
   <!--[if lt IE 9]>
@@ -29,7 +29,7 @@
             <a href="#" class="icon icon-home"> version
           </a>
               <div class="version">
-                1.2.1
+                1.2.2
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="search.html" method="get">
diff --git a/search.html b/search.html
index 50cbd08..3a998f9 100644
--- a/search.html
+++ b/search.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Search &mdash; version 1.2.1 documentation</title>
+  <title>Search &mdash; version 1.2.2 documentation</title>
       <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
       <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />
     
@@ -31,7 +31,7 @@
             <a href="index.html" class="icon icon-home"> version
           </a>
               <div class="version">
-                1.2.1
+                1.2.2
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="#" method="get">
