diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d8f5d28..9a3c07a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,7 @@
     * CHANGED: Shipped .htaccess files were updated for Apache 2.4 (#192)
     * CHANGED: Cleanup of bootstrap template variants and moved icons to `img` directory
     * CHANGED: Removed option to hide clone button on expiring pastes, since this requires reading the paste for rendering the template, which leaks information on the pastes state
-    * CHANGED: Upgrading libraries to: SJCL 1.0.7, jQuery 3.3.1, Base64 2.4.5, Showdown 1.8.6 & DOMpurify 1.0.5
+    * CHANGED: Upgrading libraries to: SJCL 1.0.7, jQuery 3.3.1, Base64 2.4.5, Showdown 1.8.6, DOMpurify 1.0.5 & Prettify 453bd5f
     * CHANGED: Refactored JavaScript code, making it modular with private and public functions, making it much easier to maintain (#178)
     * FIXED: To counteract regressions introduced by the refactoring, we finally introduced property based unit testing for the JavaScript code, this caught several regressions, but also some very old bugs not found so far (#32)
   * **1.1.1 (2017-10-06)**
diff --git a/css/prettify/desert.css b/css/prettify/desert.css
index 951cd324..138debe9 100644
--- a/css/prettify/desert.css
+++ b/css/prettify/desert.css
@@ -1 +1 @@
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\ No newline at end of file
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diff --git a/css/prettify/doxy.css b/css/prettify/doxy.css
index db25293e..8494b449 100644
--- a/css/prettify/doxy.css
+++ b/css/prettify/doxy.css
@@ -1 +1 @@
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diff --git a/css/prettify/prettify.css b/css/prettify/prettify.css
index d44b3a22..e6fe342f 100644
--- a/css/prettify/prettify.css
+++ b/css/prettify/prettify.css
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diff --git a/css/prettify/sons-of-obsidian.css b/css/prettify/sons-of-obsidian.css
index 36c3585e..aa078a68 100644
--- a/css/prettify/sons-of-obsidian.css
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diff --git a/css/prettify/sunburst.css b/css/prettify/sunburst.css
index 54ee9974..8eb58781 100644
--- a/css/prettify/sunburst.css
+++ b/css/prettify/sunburst.css
@@ -1 +1 @@
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diff --git a/js/prettify.js b/js/prettify.js
index c4ef518a..da9fc1af 100644
--- a/js/prettify.js
+++ b/js/prettify.js
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diff --git a/tpl/bootstrap.php b/tpl/bootstrap.php
index 2f277274..eaebdfc8 100644
--- a/tpl/bootstrap.php
+++ b/tpl/bootstrap.php
@@ -65,7 +65,7 @@ endif;
 <?php
 if ($SYNTAXHIGHLIGHTING):
 ?>
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+		<script type="text/javascript" data-cfasync="false" src="js/prettify.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-puO0Ogy++IoA2Pb9IjSxV1n4+kQkKXYAEUtVzfZpQepyDPyXk8hokiYDS7ybMogYlyyEIwMLpZqVhCkARQWLMg==" crossorigin="anonymous"></script>
 <?php
 endif;
 if ($MARKDOWN):
diff --git a/tpl/page.php b/tpl/page.php
index acf0bdca..2e90df86 100644
--- a/tpl/page.php
+++ b/tpl/page.php
@@ -39,7 +39,7 @@ endif;
 <?php
 if ($SYNTAXHIGHLIGHTING):
 ?>
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+		<script type="text/javascript" data-cfasync="false" src="js/prettify.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-puO0Ogy++IoA2Pb9IjSxV1n4+kQkKXYAEUtVzfZpQepyDPyXk8hokiYDS7ybMogYlyyEIwMLpZqVhCkARQWLMg==" crossorigin="anonymous"></script>
 <?php
 endif;
 if ($MARKDOWN):