diff --git a/README.md b/README.md
index cd23ea1..7917914 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 Group calls with WebRTC that leverage Matrix and an open-source WebRTC toolkit from LiveKit.
 
 
-**Shipped version:** 0.5.14~ynh1
+**Shipped version:** 0.5.15~ynh1
 
 **Demo:** https://call.element.io/
 
diff --git a/README_fr.md b/README_fr.md
index 27abb31..3154953 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -18,7 +18,7 @@ Si vous n’avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) po
 
 Appels de groupe avec WebRTC qui exploitent Matrix et une boîte à outils WebRTC open source de LiveKit.
 
-**Version incluse :** 0.5.14~ynh1
+**Version incluse :** 0.5.15~ynh1
 
 **Démo :** https://call.element.io/
 
diff --git a/manifest.toml b/manifest.toml
index fc76ff5..2fa081e 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -7,7 +7,7 @@ name = "Element-Call"
 description.en = "Group calls powered by Matrix"
 description.fr = "Appels de groupe alimentés par Matrix"
 
-version = "0.5.14~ynh1"
+version = "0.5.15~ynh1"
 
 maintainers = ["eric_G"]
 
@@ -43,8 +43,8 @@ ram.runtime = "50M"
     [resources.sources]
 
         [resources.sources.main]
-        url = "https://github.com/vector-im/element-call/archive/refs/tags/v0.5.14.tar.gz"
-        sha256 = "877adf3cd5f7a460d26d365a01f923b110c122e0f653966b9440d7e2f830d950"
+        url = "https://github.com/vector-im/element-call/archive/refs/tags/v0.5.15.tar.gz"
+        sha256 = "d31444405bcecd46c04ad74bc9f5d16fa1e70cd614fe3b79b55856744605522a"
         autoupdate.strategy = "latest_github_tag"
 
     [resources.system_user]
diff --git a/scripts/install b/scripts/install
index 174144e..f6d0c9f 100755
--- a/scripts/install
+++ b/scripts/install
@@ -24,9 +24,9 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=1
 
-# Download, check integrity, uncompress and patch the source from manifest.toml
 ynh_setup_source --dest_dir="$install_dir"
 
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================
@@ -34,7 +34,6 @@ chown -R $app:www-data "$install_dir"
 #=================================================
 ynh_script_progression --message="Adding system configurations related to $app..." --weight=1
 
-# Create a dedicated NGINX config using the conf/nginx.conf template
 ynh_add_nginx_config
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 4dad23d..348aed7 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -17,6 +17,7 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$install_dir"
 
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index f408957..5bf2403 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -28,10 +28,10 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
-	# Download, check integrity, uncompress and patch the source from manifest.toml
 	ynh_setup_source --dest_dir="$install_dir" --keep="public/config.json"
 fi
 
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================