diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6682cc0..1f120a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # PrivateBin version history
 
-  * **1.3 (not yet released)**
+  * **1.4 (not yet released)**
+    * ADDED: Translation for Bulgarian (#455)
+  * **1.3 (2019-07-09)**
     * ADDED: Translation for Czech (#424)
     * ADDED: Threat modeled the application (#177)
     * ADDED: Made compression configurable (#38)
diff --git a/CREDITS.md b/CREDITS.md
index 0f1b45f..03f2a77 100644
--- a/CREDITS.md
+++ b/CREDITS.md
@@ -41,4 +41,5 @@ Sébastien Sauvage - original idea and main developer
 * Tulio Leao - Portuguese
 * Michael van Schaik - Dutch
 * Péter Tabajdi - Hungarian
-* info-path - Czech
\ No newline at end of file
+* info-path - Czech
+* BigWax - Bulgarian
\ No newline at end of file
diff --git a/js/privatebin.js b/js/privatebin.js
index 1720933..1669d7b 100644
--- a/js/privatebin.js
+++ b/js/privatebin.js
@@ -420,7 +420,7 @@ jQuery.PrivateBin = (function($, RawDeflate) {
          * @prop   {string[]}
          * @readonly
          */
-        const supportedLanguages = ['cs', 'de', 'es', 'fr', 'it', 'hu', 'no', 'nl', 'pl', 'pt', 'oc', 'ru', 'sl', 'zh'];
+        const supportedLanguages = ['bg', 'cs', 'de', 'es', 'fr', 'it', 'hu', 'no', 'nl', 'pl', 'pt', 'oc', 'ru', 'sl', 'zh'];
 
         /**
          * built in language
@@ -583,7 +583,7 @@ jQuery.PrivateBin = (function($, RawDeflate) {
                     return n % 10 === 1 && n % 100 !== 11 ? 0 : (n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2);
                 case 'sl':
                     return n % 100 === 1 ? 1 : (n % 100 === 2 ? 2 : (n % 100 === 3 || n % 100 === 4 ? 3 : 0));
-                // de, en, es, hu, it, nl, no, pt
+                // bg, de, en, es, hu, it, nl, no, pt
                 default:
                     return n !== 1 ? 1 : 0;
             }
diff --git a/lib/I18n.php b/lib/I18n.php
index 8346ea5..29aa6b1 100644
--- a/lib/I18n.php
+++ b/lib/I18n.php
@@ -306,7 +306,7 @@ class I18n
                 return $n % 10 == 1 && $n % 100 != 11 ? 0 : ($n % 10 >= 2 && $n % 10 <= 4 && ($n % 100 < 10 || $n % 100 >= 20) ? 1 : 2);
             case 'sl':
                 return $n % 100 == 1 ? 1 : ($n % 100 == 2 ? 2 : ($n % 100 == 3 || $n % 100 == 4 ? 3 : 0));
-            // de, en, es, hu, it, nl, no, pt
+            // bg, de, en, es, hu, it, nl, no, pt
             default:
                 return $n != 1 ? 1 : 0;
         }
diff --git a/tpl/bootstrap.php b/tpl/bootstrap.php
index f19aa61..924b5a3 100644
--- a/tpl/bootstrap.php
+++ b/tpl/bootstrap.php
@@ -71,7 +71,7 @@ if ($MARKDOWN):
 endif;
 ?>
 		<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.11.js" integrity="sha512-p7UyJuyBkhMcMgE4mDsgK0Lz70OvetLefua1oXs1OujWv9gOxh4xy8InFux7bZ4/DAZsTmO4rgVwZW9BHKaTaw==" crossorigin="anonymous"></script>
-		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-dNBKGlXagUZhkKcI+HhEH0otOswA5g2QnJV8BxYxNK/piW9jJWZvADCbzDJNRjt6A6QgMwBM8+lH7K3lgsOuQw==" crossorigin="anonymous"></script>
+		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-8n4HbSmQC++v3AfA2nqlueUp3RkfeU7POcpga+yS4Rlz95G+paRjMmw5B+3HAC7TlswME16n0wIxHD1dkScC8A==" crossorigin="anonymous"></script>
 		<!--[if IE]>
 		<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;}</style>
 		<![endif]-->
diff --git a/tpl/page.php b/tpl/page.php
index 5e889af..c330720 100644
--- a/tpl/page.php
+++ b/tpl/page.php
@@ -49,7 +49,7 @@ if ($MARKDOWN):
 endif;
 ?>
 		<script type="text/javascript" data-cfasync="false" src="js/purify-1.0.11.js" integrity="sha512-p7UyJuyBkhMcMgE4mDsgK0Lz70OvetLefua1oXs1OujWv9gOxh4xy8InFux7bZ4/DAZsTmO4rgVwZW9BHKaTaw==" crossorigin="anonymous"></script>
-		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-dNBKGlXagUZhkKcI+HhEH0otOswA5g2QnJV8BxYxNK/piW9jJWZvADCbzDJNRjt6A6QgMwBM8+lH7K3lgsOuQw==" crossorigin="anonymous"></script>
+		<script type="text/javascript" data-cfasync="false" src="js/privatebin.js?<?php echo rawurlencode($VERSION); ?>" integrity="sha512-8n4HbSmQC++v3AfA2nqlueUp3RkfeU7POcpga+yS4Rlz95G+paRjMmw5B+3HAC7TlswME16n0wIxHD1dkScC8A==" crossorigin="anonymous"></script>
 		<!--[if IE]>
 		<style type="text/css">body {padding-left:60px;padding-right:60px;} #ienotice {display:block;}</style>
 		<![endif]-->