diff --git a/introduction.md b/introduction.md
index 61967a9..f2ef999 100644
--- a/introduction.md
+++ b/introduction.md
@@ -7,7 +7,7 @@ permalink: /introduction/
 
   [pdf](https://github.com/potassco-asp-course/course/releases/download/v1.18.0/introduction.pdf)
   [git](https://github.com/potassco-asp-course/introduction)
-  [v1.18.2](https://github.com/potassco-asp-course/course/releases/tag/v1.18.0)
+  [v1.18.0](https://github.com/potassco-asp-course/course/releases/tag/v1.18.0)
 
 ### Lecture videos