diff --git a/lectures/build.gradle b/lectures/build.gradle
index 1f855382d51f30945223b8de41be9a94eb3c1eec..5ba62a4f8ac4200563b2a062500582999e0f4556 100644
--- a/lectures/build.gradle
+++ b/lectures/build.gradle
@@ -14,7 +14,7 @@ repositories {
 }
 
 dependencies {
-    asciidoctorGems 'rubygems:asciidoctor-revealjs:2.0.0' 
+    asciidoctorGems 'rubygems:asciidoctor-revealjs:4.0.1' // asciidoctorGems 'rubygems:asciidoctor-revealjs:2.0.0' 
 }
 
 asciidoctor {
diff --git a/lectures/revealjs/01-course-intro.adoc b/lectures/revealjs/01-course-intro.adoc
index 7fc373f1fef12e9640b67ab2ea35e14d97dc33e9..a41d741f83a96231c90eaef7cacc9e04c1f37137 100644
--- a/lectures/revealjs/01-course-intro.adoc
+++ b/lectures/revealjs/01-course-intro.adoc
@@ -12,7 +12,7 @@ include::{includedir}header.adoc[]
 - Velkommen til IT1901 Informatikk prosjektarbeid 1
 - Welcome to IT1901 Informatics, Project 1
 
-Høst 2020 / Fall 2020
+Høst 2021 / Fall 2021
 
 == Agenda
 
@@ -43,6 +43,7 @@ Smidig og moderne praksis og konstruksjon
 ** mobil
 ** web
 
+
 == IT1901 Goals
 
 [.smaller-80]