diff --git a/manifest.json b/manifest.json
index dfcff27..ade306f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Browsing, reading and downloading eBooks using a Calibre database",
         "fr": "Explorer, lire et télécharger des eBooks à partir d'une base de données Calibre"
     },
-    "version": "0.96.19~ynh3",
+    "version": "0.96.19~ynh4",
     "url": "https://github.com/janeczku/calibre-web",
     "upstream": {
         "version": "0.6.19",
diff --git a/scripts/backup b/scripts/backup
index 75680d2..c73535f 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -45,6 +45,12 @@ ynh_print_info --message="Declaring files to be backed up..."
 #This will backup the app.db file at the same time
 ynh_backup --src_path="$final_path"
 
+#=================================================
+# BACKUP THE KEPUBIFY BINARY
+#=================================================
+
+ynh_backup --src_path="/opt/kepubify"
+
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index bf8d9aa..6854252 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -69,6 +69,13 @@ ynh_system_user_create --username=$app
 ynh_script_progression --message="Restoring the app main directory..." --weight=1
 ynh_restore_file --origin_path="$final_path"
 
+#=================================================
+# RESTORE THE KEPUBIFY BINARIES
+#=================================================
+ynh_script_progression --message="Restoring Kepubify..." --weight=1
+ynh_restore_file --origin_path="/opt/kepubify"
+
+
 #=================================================
 # RESTORE USER RIGHTS
 #=================================================