diff --git a/README.md b/README.md
index 91b6f969..c18f2b64 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ In addition to taking over the functionality of Instagram, the functioning of Pi
 
 It is also possible to import your data from Instagram. 
 
-**Shipped version:** 0.11.5~ynh3
+**Shipped version:** 0.11.6~ynh2
 
 ## Screenshots
 
diff --git a/README_fr.md b/README_fr.md
index f47d75fa..a9a4c2f5 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -26,7 +26,7 @@ En plus de reprendre les fonctionnalités d'Instagram, le fonctionnement de Pixe
 Il est également possible d'importer ses données depuis Instagram.
 
 
-**Version incluse :** 0.11.5~ynh3
+**Version incluse :** 0.11.6~ynh2
 
 ## Captures d’écran
 
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 909c6fec..a315bd1b 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,7 +4,7 @@
 # COMMON VARIABLES
 #=================================================
 
-YNH_COMPOSER_VERSION="2.1.5"
+YNH_COMPOSER_VERSION="2.2.21"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/upgrade b/scripts/upgrade
index 4254c110..092fb00b 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -48,7 +48,7 @@ if [ -z "${fpm_usage:-}" ]; then
 fi
 
 # If app_key doesn't exist, retrieve it
-if [ -z "$app_key" ]; then
+if [ -z "${app_key:-}" ]; then
 	ynh_script_progression --message="Retrieving app_key..."
 	app_key=$(grep -oP "APP_KEY=\Kbase64.*" "$install_dir/.env")
 	ynh_app_setting_set --app="$app" --key=app_key --value="$app_key"
@@ -73,7 +73,6 @@ if dpkg --compare-versions "0.10.9~ynh2" gt "$(ynh_read_manifest --manifest="/et
 	chown -R $app: "/var/log/$app/"
 
 	ynh_script_progression --message="Configuring a supervisor service..."
-	phpversion=$YNH_PHP_VERSION
 	ynh_add_supervisor_config --service="${app}-horizon" --template=horizon.conf
 	
 	ynh_script_progression --message="Starting a supervisor service..."
@@ -116,7 +115,7 @@ chmod 600 "$install_dir"/.env
 ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --phpversion=$phpversion --usage=$fpm_usage --footprint=$fpm_footprint
+ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
 
 #=================================================
 # NGINX CONFIGURATION
@@ -137,6 +136,21 @@ ynh_exec_warn_less ynh_composer_exec --workdir="$install_dir" --commands="self-u
 
 ynh_exec_warn_less ynh_composer_exec --workdir="$install_dir" --commands="update"
 
+#=================================================
+# PATCH PERMISSIONS for v0.11.5 versions and higher
+#=================================================
+ynh_script_progression --message="Patching permissions (for version 0.11.5 and newer)..." --weight=1
+
+# Default configuration doesn't work
+ynh_replace_string --match_string="'private' => 0700," --replace_string="'private' => 0750," --target_file=$install_dir/config/filesystems.php
+
+# Repair permissions for files created after v0.11.5 and before this patch
+if [ -d "$install_dir/public/storage/m/_v2/" ]; then
+  chmod 750 -R "$install_dir/public/storage/m/_v2/"* # all files subdirectories (picture folders) should be readable and executable. But if there is no picture, there is no /*/*
+  chmod 770 "$install_dir/public/storage/m/_v2/"* # users folders should be 770
+  chmod 770 "$install_dir/public/storage/m/_v2/" # this should be 770
+fi
+
 #=================================================
 # DEPLOYMENT
 #=================================================