diff --git a/_data/publications.yml b/_data/publications.yml
index 3172524..561cb87 100644
--- a/_data/publications.yml
+++ b/_data/publications.yml
@@ -175,7 +175,7 @@
   slug: gibson-mortality
   authors: Gibson GC, Reich NG, Sheldon D
   preprint: https://www.medrxiv.org/content/10.1101/2020.12.22.20248736v2
-  pdf: https://www.medrxiv.org/content/10.1101/2020.12.22.20248736v2.full.pdf
+  pdf: https://pmc.ncbi.nlm.nih.gov/articles/PMC11229176/pdf/nihms-2005126.pdf
   year: 2023
   volume: 17(3)
   pages: 1801-1819