diff --git a/README.md b/README.md
index fbb31c5..ead5f94 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ It shall NOT be edited by hand.
 Cowyo is a self-contained wiki server that makes jotting notes easy and fast. The most important feature here is simplicity. Other features include versioning, page locking, self-destructing messages, encryption, and listifying.
 
 
-**Shipped version:** 2.12.0~ynh3
+**Shipped version:** 2.12.0~ynh4
 
 **Demo:** <https://cowyo.com>
 ## Documentation and resources
diff --git a/README_es.md b/README_es.md
index 230d3c5..84fd403 100644
--- a/README_es.md
+++ b/README_es.md
@@ -19,7 +19,7 @@ No se debe editar a mano.
 Cowyo is a self-contained wiki server that makes jotting notes easy and fast. The most important feature here is simplicity. Other features include versioning, page locking, self-destructing messages, encryption, and listifying.
 
 
-**Versión actual:** 2.12.0~ynh3
+**Versión actual:** 2.12.0~ynh4
 
 **Demo:** <https://cowyo.com>
 ## Documentaciones y recursos
diff --git a/README_eu.md b/README_eu.md
index e43b282..ea9c536 100644
--- a/README_eu.md
+++ b/README_eu.md
@@ -19,7 +19,7 @@ EZ editatu eskuz.
 Cowyo is a self-contained wiki server that makes jotting notes easy and fast. The most important feature here is simplicity. Other features include versioning, page locking, self-destructing messages, encryption, and listifying.
 
 
-**Paketatutako bertsioa:** 2.12.0~ynh3
+**Paketatutako bertsioa:** 2.12.0~ynh4
 
 **Demoa:** <https://cowyo.com>
 ## Dokumentazioa eta baliabideak
diff --git a/README_fr.md b/README_fr.md
index 2517eab..6a8d00e 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -18,7 +18,7 @@ Il NE doit PAS être modifié à la main.
 
 Cowyo est un serveur wiki autonome qui permet de prendre des notes facilement et rapidement. La caractéristique la plus importante ici est la simplicité. Les autres fonctionnalités incluent la gestion des versions, le verrouillage des pages, l'autodestruction des messages, le cryptage et la liste.
 
-**Version incluse :** 2.12.0~ynh3
+**Version incluse :** 2.12.0~ynh4
 
 **Démo :** <https://cowyo.com>
 ## Documentations et ressources
diff --git a/README_gl.md b/README_gl.md
index b49a7ea..a1e49a7 100644
--- a/README_gl.md
+++ b/README_gl.md
@@ -19,7 +19,7 @@ NON debe editarse manualmente.
 Cowyo is a self-contained wiki server that makes jotting notes easy and fast. The most important feature here is simplicity. Other features include versioning, page locking, self-destructing messages, encryption, and listifying.
 
 
-**Versión proporcionada:** 2.12.0~ynh3
+**Versión proporcionada:** 2.12.0~ynh4
 
 **Demo:** <https://cowyo.com>
 ## Documentación e recursos
diff --git a/README_zh_Hans.md b/README_zh_Hans.md
index 9b82874..4a409aa 100644
--- a/README_zh_Hans.md
+++ b/README_zh_Hans.md
@@ -19,7 +19,7 @@
 Cowyo is a self-contained wiki server that makes jotting notes easy and fast. The most important feature here is simplicity. Other features include versioning, page locking, self-destructing messages, encryption, and listifying.
 
 
-**分发版本：** 2.12.0~ynh3
+**分发版本：** 2.12.0~ynh4
 
 **演示：** <https://cowyo.com>
 ## 文档与资源
diff --git a/manifest.toml b/manifest.toml
index 99d50b4..0dcee6a 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -7,7 +7,7 @@ name = "Cowyo"
 description.en = "Feature-rich wiki webserver for minimalists"
 description.fr = "Serveur de wiki minimaliste mais riche en fonctionnalités"
 
-version = "2.12.0~ynh3"
+version = "2.12.0~ynh4"
 
 maintainers = ["tituspijean"]
 
diff --git a/scripts/remove b/scripts/remove
index 99fca0c..b556ac3 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -32,9 +32,6 @@ ynh_remove_logrotate
 # Remove the dedicated NGINX config
 ynh_remove_nginx_config
 
-# Remove the log files
-ynh_secure_remove --file="/var/log/$app"
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 2652de2..c9da671 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -33,7 +33,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=3
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$install_dir" --full_replace=1
+	ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="data"
 fi
 
 chmod -R o-rwx "$install_dir"