diff --git a/book.php b/book.php
index d49ddae..c7b71d2 100644
--- a/book.php
+++ b/book.php
@@ -23,8 +23,8 @@
 	<meta name="twitter:image" content="https://kgbook.org/images/small-cover.jpg">
 	<script src="js/prism.js"></script>
 	<!--<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.17.1/prism.min.js"></script>-->
-	<script src="https://cdn.jsdelivr.net/npm/prismjs-bibtex@2.1.0/prism-bibtex.min.js"
-	        integrity="sha256-yNA8yQutLa/BpIMwNNnGBWIUBcIW+LP1yN20M70W8L0="
+	<script src="https://cdn.jsdelivr.net/npm/prismjs-bibtex@2.1.0/prism-bibtex.js"
+	        integrity="sha256-A5GMUmGHpY8mVpfcaRLQFeHtmdjZLumKBOMpf81FXX0="
 	        crossorigin="anonymous" referrerpolicy="no-referrer">
 	</script>
 	<style>