diff --git a/README.md b/README.md
index cc9750c..70b03a9 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,8 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 
 A gemini server written in rust.
 
-**Shipped version:** 0.4.5~ynh1
+
+**Shipped version:** 0.6.3~ynh1
 
 
 
diff --git a/README_fr.md b/README_fr.md
index 065dc46..abef5e4 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -11,9 +11,10 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 
 ## Vue d'ensemble
 
+A gemini server written in rust.
 
 
-**Version incluse :** 0.4.5~ynh1
+**Version incluse :** 0.6.3~ynh1
 
 
 
diff --git a/check_process b/check_process
index f4efec3..a75248c 100644
--- a/check_process
+++ b/check_process
@@ -1,8 +1,3 @@
-# See here for more information
-# https://github.com/YunoHost/package_check#syntax-check_process-file
-
-# Move this file from check_process.default to check_process when you have filled it.
-
 ;; Test complet
 	; Manifest
 		port="1965"
@@ -16,6 +11,8 @@
 		upgrade=1
 		# 0.4.4~ynh1
 		upgrade=1	from_commit=3fcde5a7829938763b393ac1e878929bdc35297f
+		# 0.4.5~ynh1
+		upgrade=1	from_commit=d1e78f8cb47fc61dc3ede3e9cbb8445e364f0ab0
 		backup_restore=1
 		multi_instance=0
 		port_already_use=0
@@ -25,4 +22,6 @@ Email=yalh@yahoo.com
 Notification=all
 ;;; Upgrade options
 	; commit=3fcde5a7829938763b393ac1e878929bdc35297f
-		name=0.4.4~ynh1.
+		name=0.4.4~ynh1
+	; commit=d1e78f8cb47fc61dc3ede3e9cbb8445e364f0ab0
+		name=0.4.5~ynh1
diff --git a/conf/app.src b/conf/app.src
index ca65e49..9d95499 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://git.sr.ht/~int80h/gemserv/archive/v0.4.5.tar.gz
-SOURCE_SUM=7aeb5edc8af6ebefc2331aebc0c360798711c2fb16ee9cbde8c5c4f9502c491f
+SOURCE_URL=https://git.sr.ht/~int80h/gemserv/archive/v0.6.3.tar.gz
+SOURCE_SUM=e84656f1a3274d2becdecd731afe767477ead7f2c265c0d7ae8ee9e8bc81ded8
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/systemd.service b/conf/systemd.service
index 33c9d25..a7758cd 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -15,5 +15,35 @@ StandardError=inherit
 Restart=always
 RestartSec=5
 
+# Sandboxing options to harden security
+# Depending on specificities of your service/app, you may need to tweak these 
+# .. but this should be a good baseline
+# Details for these options: https://www.freedesktop.org/software/systemd/man/systemd.exec.html
+NoNewPrivileges=yes
+PrivateTmp=yes
+PrivateDevices=yes
+RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
+RestrictNamespaces=yes
+RestrictRealtime=yes
+DevicePolicy=closed
+ProtectSystem=full
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+LockPersonality=yes
+SystemCallFilter=~@clock @debug @module @mount @obsolete @reboot @setuid @swap
+
+# Denying access to capabilities that should not be relevant for webapps
+# Doc: https://man7.org/linux/man-pages/man7/capabilities.7.html
+CapabilityBoundingSet=~CAP_RAWIO CAP_MKNOD
+CapabilityBoundingSet=~CAP_AUDIT_CONTROL CAP_AUDIT_READ CAP_AUDIT_WRITE
+CapabilityBoundingSet=~CAP_SYS_BOOT CAP_SYS_TIME CAP_SYS_MODULE CAP_SYS_PACCT
+CapabilityBoundingSet=~CAP_LEASE CAP_LINUX_IMMUTABLE CAP_IPC_LOCK
+CapabilityBoundingSet=~CAP_BLOCK_SUSPEND CAP_WAKE_ALARM
+CapabilityBoundingSet=~CAP_SYS_TTY_CONFIG
+CapabilityBoundingSet=~CAP_MAC_ADMIN CAP_MAC_OVERRIDE
+CapabilityBoundingSet=~CAP_NET_ADMIN CAP_NET_BROADCAST CAP_NET_RAW
+CapabilityBoundingSet=~CAP_SYS_ADMIN CAP_SYS_PTRACE CAP_SYSLOG 
+
 [Install]
 WantedBy=multi-user.target
diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
new file mode 100644
index 0000000..241011b
--- /dev/null
+++ b/doc/DESCRIPTION.md
@@ -0,0 +1 @@
+A gemini server written in rust.
diff --git a/manifest.json b/manifest.json
index db210cb..375404a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -5,7 +5,7 @@
     "description": {
         "en": "A gemini server written in rust."
     },
-    "version": "0.4.5~ynh1",
+    "version": "0.6.3~ynh1",
     "url": "https://git.sr.ht/~int80h/gemserv/",
     "upstream": {
         "license": "MIT",
@@ -13,10 +13,10 @@
     },
     "license": "MIT",
     "maintainer": {
-        "name": "yalh76" 
+        "name": "yalh76"
     },
     "requirements": {
-        "yunohost": ">= 4.1.3"
+        "yunohost": ">= 4.3.0"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/install b/scripts/install
index 91e0c93..250b2ae 100755
--- a/scripts/install
+++ b/scripts/install
@@ -61,7 +61,7 @@ ynh_install_app_dependencies $pkg_dependencies
 ynh_script_progression --message="Configuring system user..."
 
 # Create a system user
-ynh_system_user_create --username=$app --home_dir="$final_path"
+ynh_system_user_create --username=$app --home_dir=$final_path
 
 usermod -a -G ssl-cert $app
 
@@ -89,14 +89,14 @@ ynh_script_progression --message="Making install..."
 
 # Install rustup with the toolchain needed by Gemserv
 pushd "$final_path"
-	sudo -u "$app" RUSTUP_HOME="$final_path"/.rustup CARGO_HOME="$final_path"/.cargo bash -c 'curl -sSf -L https://static.rust-lang.org/rustup.sh | sh -s -- -y --default-toolchain nightly'
+	ynh_exec_as "$app" RUSTUP_HOME="$final_path"/.rustup CARGO_HOME="$final_path"/.cargo bash -c 'curl -sSf -L https://static.rust-lang.org/rustup.sh | sh -s -- -y --default-toolchain nightly'
 popd
 
 export PATH="$PATH:$final_path/.cargo/bin:$final_path/.local/bin:/usr/local/sbin" 
 
 # Compile Gemserv
 pushd "$final_path"/build
-	ynh_exec_warn_less sudo -u "$app" env PATH="$PATH" cargo build --release
+	ynh_exec_warn_less ynh_exec_as "$app" env PATH="$PATH" cargo build --release
 popd
 
 # Install Gemserv
diff --git a/scripts/remove b/scripts/remove
index 028ffac..fb7ba04 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -41,12 +41,12 @@ ynh_script_progression --message="Stopping and removing the systemd service..."
 ynh_remove_systemd_config
 
 #=================================================
-# REMOVE DEPENDENCIES
+# REMOVE LOGROTATE CONFIGURATION
 #=================================================
-ynh_script_progression --message="Removing dependencies..."
+ynh_script_progression --message="Removing logrotate configuration..."
 
-# Remove metapackage and its dependencies
-ynh_remove_app_dependencies
+# Remove the app-specific logrotate config
+ynh_remove_logrotate
 
 #=================================================
 # REMOVE APP MAIN DIR
@@ -57,12 +57,12 @@ ynh_script_progression --message="Removing app main directory..."
 ynh_secure_remove --file="$final_path"
 
 #=================================================
-# REMOVE LOGROTATE CONFIGURATION
+# REMOVE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Removing logrotate configuration..."
+ynh_script_progression --message="Removing dependencies..."
 
-# Remove the app-specific logrotate config
-ynh_remove_logrotate
+# Remove metapackage and its dependencies
+ynh_remove_app_dependencies
 
 #=================================================
 # CLOSE A PORT
diff --git a/scripts/restore b/scripts/restore
index b4e97f6..bea2570 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -45,7 +45,7 @@ test ! -d $final_path \
 ynh_script_progression --message="Recreating the dedicated system user..."
 
 # Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir="$final_path"
+ynh_system_user_create --username=$app --home_dir=$final_path
 
 #=================================================
 # RESTORE THE APP MAIN DIR
@@ -83,6 +83,13 @@ ynh_script_progression --message="Restoring the systemd configuration..."
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
 
+#=================================================
+# RESTORE THE LOGROTATE CONFIGURATION
+#=================================================
+ynh_script_progression --message="Restoring the logrotate configuration..."
+
+ynh_restore_file --origin_path="/etc/logrotate.d/$app"
+
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
@@ -97,13 +104,6 @@ ynh_script_progression --message="Starting a systemd service..."
 
 ynh_systemd_action --service_name=$app --action="start" --line_match="Started" --log_path="systemd"
 
-#=================================================
-# RESTORE THE LOGROTATE CONFIGURATION
-#=================================================
-ynh_script_progression --message="Restoring the logrotate configuration..."
-
-ynh_restore_file --origin_path="/etc/logrotate.d/$app"
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index ac745a0..8b13bbc 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -59,7 +59,7 @@ ynh_script_progression --message="Ensuring downward compatibility..."
 ynh_script_progression --message="Making sure dedicated system user exists..."
 
 # Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir="$final_path"
+ynh_system_user_create --username=$app --home_dir=$final_path
 
 usermod -a -G ssl-cert $app
 
@@ -99,14 +99,14 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	# Install rustup with the toolchain needed by Gemserv
 	pushd "$final_path"
-		sudo -u "$app" RUSTUP_HOME="$final_path"/.rustup CARGO_HOME="$final_path"/.cargo bash -c 'curl -sSf -L https://static.rust-lang.org/rustup.sh | sh -s -- -y --default-toolchain nightly'
+		ynh_exec_as "$app" RUSTUP_HOME="$final_path"/.rustup CARGO_HOME="$final_path"/.cargo bash -c 'curl -sSf -L https://static.rust-lang.org/rustup.sh | sh -s -- -y --default-toolchain nightly'
 	popd
 
 	export PATH="$PATH:$final_path/.cargo/bin:$final_path/.local/bin:/usr/local/sbin" 
 
 	# Compile Gemserv
 	pushd "$final_path"/build
-		ynh_exec_warn_less sudo -u "$app" env PATH="$PATH" cargo build --release
+		ynh_exec_warn_less ynh_exec_as "$app" env PATH="$PATH" cargo build --release
 	popd
 
 	# Install Gemserv