diff --git a/content/posts/adventofctf/challenge_9.md b/content/posts/adventofctf/challenge_9.md
index c60fa13..2fba60e 100644
--- a/content/posts/adventofctf/challenge_9.md
+++ b/content/posts/adventofctf/challenge_9.md
@@ -1,7 +1,7 @@
 +++
 author = "Maik de Kruif"
 title = "Challenge 9 - AdventOfCTF"
-date = 2020-12-09T09:24:52+01:00
+date = 2020-12-11T21:24:52+01:00
 description = "A writeup for challenge 9 of AdventOfCTF."
 cover = "img/adventofctf/973ded4b2381c28af6c24d3d670303c6.png"
 tags = [