diff --git a/.gitignore b/.gitignore
index 9731b87..4ab1305 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 data/
 generator.conf
-
+presentation.pdf
diff --git a/prepare_presentation.sh b/prepare_presentation.sh
index 03efcf4..ae57543 100755
--- a/prepare_presentation.sh
+++ b/prepare_presentation.sh
@@ -16,3 +16,5 @@ cd data/presentation/
 for _ in $(seq 3); do
 	pdflatex "$dest_file"
 done
+
+ln -srf "presentation_$(date +%Y-%m-%d).pdf" ../../presentation.pdf