diff --git a/manifest.toml b/manifest.toml
index 0b6b88e..6a0cfc6 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -17,7 +17,7 @@ userdoc = "https://omeka.org/s/docs/user-manual/"
 code = "https://github.com/omeka/omeka-s"
 
 [integration]
-yunohost = ">= 11.1.7"
+yunohost = ">= 11.1.8"
 architectures = "all"
 multi_instance = true
 ldap = false
diff --git a/scripts/install b/scripts/install
index 2ba357e..1c66326 100755
--- a/scripts/install
+++ b/scripts/install
@@ -33,6 +33,8 @@ ynh_script_progression --message="Setting up source files..." --weight=1
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$install_dir"
 
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 8cc3e1e..407be32 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -24,6 +24,8 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$install_dir"
 
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 069e44d..920bf9a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -47,6 +47,8 @@ then
 
 fi
 
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
 #=================================================