diff --git a/docs/workshop/0-introduction/d4-introduction.pdf b/docs/workshop/0-introduction/d4-introduction.pdf
index 26e95e5..4849a4e 100644
Binary files a/docs/workshop/0-introduction/d4-introduction.pdf and b/docs/workshop/0-introduction/d4-introduction.pdf differ
diff --git a/docs/workshop/0-introduction/d4-introduction.tex b/docs/workshop/0-introduction/d4-introduction.tex
index 26ad786..008bd5b 100644
--- a/docs/workshop/0-introduction/d4-introduction.tex
+++ b/docs/workshop/0-introduction/d4-introduction.tex
@@ -21,7 +21,7 @@
 \author{Team CIRCL}
 \titlegraphic{\includegraphics[scale=0.20]{d4-logo.pdf}}
 \institute{\url{https://www.d4-project.org/}}
-\date{2019/09/23}
+\date{2019/12/06}
 
 \begin{document}
     \begin{frame}