diff --git a/build.gradle b/build.gradle
index df04579..cf6b2d0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.asciidoctor.convert' version '1.5.7'
+    id 'org.asciidoctor.convert' version '2.3.0'
 }
 
 asciidoctor {
diff --git a/css/bisq.css b/css/bisq.css
index 3888dbb..7a65a9f 100644
--- a/css/bisq.css
+++ b/css/bisq.css
@@ -1200,6 +1200,10 @@ a {
     margin-bottom: 2.25em;
 }
 
+#header #revnumber {
+    display: none;
+}
+
 @media only screen and ( max-width: 768px ) {
     #toc img {
         margin-top: 40px;