diff --git a/reference/html/README.html b/reference/html/README.html
index 4145987f..88ca2524 100644
--- a/reference/html/README.html
+++ b/reference/html/README.html
@@ -4,7 +4,7 @@
 <meta charset="UTF-8">
 <!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<meta name="generator" content="Asciidoctor 1.5.7.1">
+<meta name="generator" content="Asciidoctor 1.5.8">
 <title>Features</title>
 <link rel="stylesheet" href="css/spring.css">
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
diff --git a/reference/html/index.html b/reference/html/index.html
index 1dcd2e2a..8e28710c 100644
--- a/reference/html/index.html
+++ b/reference/html/index.html
@@ -4,7 +4,7 @@
 <meta charset="UTF-8">
 <!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<meta name="generator" content="Asciidoctor 1.5.7.1">
+<meta name="generator" content="Asciidoctor 1.5.8">
 <title>Spring Cloud OpenFeign</title>
 <link rel="stylesheet" href="css/spring.css">
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
diff --git a/reference/html/intro.html b/reference/html/intro.html
index 82e76c42..980d57e0 100644
--- a/reference/html/intro.html
+++ b/reference/html/intro.html
@@ -4,7 +4,7 @@
 <meta charset="UTF-8">
 <!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<meta name="generator" content="Asciidoctor 1.5.7.1">
+<meta name="generator" content="Asciidoctor 1.5.8">
 <title>Untitled</title>
 <link rel="stylesheet" href="css/spring.css">
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
diff --git a/reference/html/sagan-boot.html b/reference/html/sagan-boot.html
index fe6f66ef..b06f9bc6 100644
--- a/reference/html/sagan-boot.html
+++ b/reference/html/sagan-boot.html
@@ -4,7 +4,7 @@
 <meta charset="UTF-8">
 <!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<meta name="generator" content="Asciidoctor 1.5.7.1">
+<meta name="generator" content="Asciidoctor 1.5.8">
 <title>Untitled</title>
 <link rel="stylesheet" href="css/spring.css">
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
diff --git a/reference/html/sagan-index.html b/reference/html/sagan-index.html
index d3aeda2a..3b400060 100644
--- a/reference/html/sagan-index.html
+++ b/reference/html/sagan-index.html
@@ -4,7 +4,7 @@
 <meta charset="UTF-8">
 <!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<meta name="generator" content="Asciidoctor 1.5.7.1">
+<meta name="generator" content="Asciidoctor 1.5.8">
 <title>Features</title>
 <link rel="stylesheet" href="css/spring.css">
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
diff --git a/reference/html/spring-cloud-openfeign.html b/reference/html/spring-cloud-openfeign.html
index 1dcd2e2a..8e28710c 100644
--- a/reference/html/spring-cloud-openfeign.html
+++ b/reference/html/spring-cloud-openfeign.html
@@ -4,7 +4,7 @@
 <meta charset="UTF-8">
 <!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<meta name="generator" content="Asciidoctor 1.5.7.1">
+<meta name="generator" content="Asciidoctor 1.5.8">
 <title>Spring Cloud OpenFeign</title>
 <link rel="stylesheet" href="css/spring.css">
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">