diff --git a/CHANGELOG.md b/CHANGELOG.md
index bda2970..6431e67 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,10 +2,11 @@
 
   * **1.4.1 (not yet released)**
     * ADDED: Translations for Turkish, Slovak and Greek
+    * ADDED: S3 Storage backend (#994)
     * CHANGED: Avoid `SUPER` privilege for setting the `sql_mode` for MariaDB/MySQL (#919)
+    * CHANGED: Upgrading libraries to: zlib 1.2.13
     * FIXED: Revert to CREATE INDEX without IF NOT EXISTS clauses, to support MySQL (#943)
     * FIXED: Apply table prefix to indexes as well, to support multiple instances sharing a single database (#943)
-    * ADDED: S3 Storage backend (#994)
   * **1.4 (2022-04-09)**
     * ADDED: Translations for Corsican, Estonian, Finnish and Lojban
     * ADDED: new HTTP headers improving security (#765)
diff --git a/js/common.js b/js/common.js
index 7a68c7e..12e4c88 100644
--- a/js/common.js
+++ b/js/common.js
@@ -12,7 +12,7 @@ global.WebCrypto = require('@peculiar/webcrypto').Crypto;
 // application libraries to test
 global.$ = global.jQuery = require('./jquery-3.6.0');
 global.RawDeflate = require('./rawinflate-0.3').RawDeflate;
-global.zlib = require('./zlib-1.2.12').zlib;
+global.zlib = require('./zlib-1.2.13').zlib;
 require('./prettify');
 global.prettyPrint = window.PR.prettyPrint;
 global.prettyPrintOne = window.PR.prettyPrintOne;
diff --git a/js/zlib-1.2.12.js b/js/zlib-1.2.13.js
similarity index 97%
rename from js/zlib-1.2.12.js
rename to js/zlib-1.2.13.js
index a245608..809ce0c 100644
--- a/js/zlib-1.2.12.js
+++ b/js/zlib-1.2.13.js
@@ -26,9 +26,9 @@
 
         let buff;
         if (typeof fetch === 'undefined') {
-            buff = fs.readFileSync('zlib-1.2.12.wasm');
+            buff = fs.readFileSync('zlib-1.2.13.wasm');
         } else {
-            const resp = await fetch('js/zlib-1.2.12.wasm');
+            const resp = await fetch('js/zlib-1.2.13.wasm');
             buff = await resp.arrayBuffer();
         }
         const module = await WebAssembly.compile(buff);
diff --git a/js/zlib-1.2.12.wasm b/js/zlib-1.2.13.wasm
similarity index 88%
rename from js/zlib-1.2.12.wasm
rename to js/zlib-1.2.13.wasm
index 0b86cf5..145060d 100644
Binary files a/js/zlib-1.2.12.wasm and b/js/zlib-1.2.13.wasm differ
diff --git a/tpl/bootstrap.php b/tpl/bootstrap.php
index 8eb5565..97e028a 100644
--- a/tpl/bootstrap.php
+++ b/tpl/bootstrap.php
@@ -55,7 +55,7 @@ if ($ZEROBINCOMPATIBILITY) :
 <?php
 endif;
 ?>
-		<script type="text/javascript" data-cfasync="false" src="js/zlib-1.2.12.js" integrity="sha512-Ewve1dyEW/Vf97OY91/aWqMx9NaaUK5d8Z6JB1RR5gFXtMhse/Ya7D/5CE/UrQTwOWqmkvn97JjP4YDUrmq/yA==" crossorigin="anonymous"></script>
+		<script type="text/javascript" data-cfasync="false" src="js/zlib-1.2.13.js" integrity="sha512-Lv4PCbSge8B4odE2blatgggJ/mkX1Ak21e7jL8mY3vzrVHS8FGsrEoqCrizxIJB4sW3T2w5Q+RG7hhUvp7+9tw==" crossorigin="anonymous"></script>
 		<script type="text/javascript" data-cfasync="false" src="js/base-x-4.0.0.js" integrity="sha512-nNPg5IGCwwrveZ8cA/yMGr5HiRS5Ps2H+s0J/mKTPjCPWUgFGGw7M5nqdnPD3VsRwCVysUh3Y8OWjeSKGkEQJQ==" crossorigin="anonymous"></script>
 		<script type="text/javascript" data-cfasync="false" src="js/rawinflate-0.3.js" integrity="sha512-g8uelGgJW9A/Z1tB6Izxab++oj5kdD7B4qC7DHwZkB6DGMXKyzx7v5mvap2HXueI2IIn08YlRYM56jwWdm2ucQ==" crossorigin="anonymous"></script>
 		<script type="text/javascript" data-cfasync="false" src="js/bootstrap-3.4.1.js" integrity="sha512-oBTprMeNEKCnqfuqKd6sbvFzmFQtlXS3e0C/RGFV0hD6QzhHV+ODfaQbAlmY6/q0ubbwlAM/nCJjkrgA3waLzg==" crossorigin="anonymous"></script>
diff --git a/tpl/page.php b/tpl/page.php
index eddbb4b..7636f31 100644
--- a/tpl/page.php
+++ b/tpl/page.php
@@ -34,7 +34,7 @@ if ($ZEROBINCOMPATIBILITY):
 <?php
 endif;
 ?>
-		<script type="text/javascript" data-cfasync="false" src="js/zlib-1.2.12.js" integrity="sha512-Ewve1dyEW/Vf97OY91/aWqMx9NaaUK5d8Z6JB1RR5gFXtMhse/Ya7D/5CE/UrQTwOWqmkvn97JjP4YDUrmq/yA==" crossorigin="anonymous"></script>
+		<script type="text/javascript" data-cfasync="false" src="js/zlib-1.2.13.js" integrity="sha512-Lv4PCbSge8B4odE2blatgggJ/mkX1Ak21e7jL8mY3vzrVHS8FGsrEoqCrizxIJB4sW3T2w5Q+RG7hhUvp7+9tw==" crossorigin="anonymous"></script>
 		<script type="text/javascript" data-cfasync="false" src="js/base-x-4.0.0.js" integrity="sha512-nNPg5IGCwwrveZ8cA/yMGr5HiRS5Ps2H+s0J/mKTPjCPWUgFGGw7M5nqdnPD3VsRwCVysUh3Y8OWjeSKGkEQJQ==" crossorigin="anonymous"></script>
 		<script type="text/javascript" data-cfasync="false" src="js/rawinflate-0.3.js" integrity="sha512-g8uelGgJW9A/Z1tB6Izxab++oj5kdD7B4qC7DHwZkB6DGMXKyzx7v5mvap2HXueI2IIn08YlRYM56jwWdm2ucQ==" crossorigin="anonymous"></script>
 <?php