diff --git a/check_process b/check_process
index a04343b..245e252 100644
--- a/check_process
+++ b/check_process
@@ -11,6 +11,7 @@
 		setup_private=1
 		setup_public=1
 		upgrade=1
+		upgrade=1	from_commit=f59da0dcbc1f35f98fbe32001e0a695171328001
 		backup_restore=1
 		multi_instance=0
 		incorrect_path=1
@@ -31,3 +32,7 @@
 ;;; Options
 Email=
 Notification=none
+;;; Upgrade options
+	; commit=f59da0dcbc1f35f98fbe32001e0a695171328001
+		name=Fix install and upgrade
+		manifest_arg=domain=DOMAIN&path=PATH&is_public=1&
diff --git a/conf/app.src b/conf/app.src
index 1442969..ae5cbd3 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/asciimoo/searx/archive/v0.13.1.tar.gz
-SOURCE_SUM=aefa314c7d6d75a2f76cf1aa1e8002d1
+SOURCE_URL=https://github.com/asciimoo/searx/archive/v0.14.0.tar.gz
+SOURCE_SUM=002c7f9ceeafc5ada2f1fd30b5d5f6c9
 SOURCE_SUM_PRG=md5sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/scripts/_common.sh b/scripts/_common.sh
new file mode 100644
index 0000000..7160957
--- /dev/null
+++ b/scripts/_common.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+#=================================================
+# EXPERIMENTAL HELPERS
+#=================================================
+
+# Start or restart a service and follow its booting
+#
+# usage: ynh_check_starting "Line to match" [Log file] [Timeout] [Service name]
+#
+# | arg: Line to match - The line to find in the log to attest the service have finished to boot.
+# | arg: Log file - The log file to watch
+# | arg: Timeout - The maximum time to wait before ending the watching. Defaut 300 seconds.
+# | arg: Service name
+# /var/log/$app/$app.log will be used if no other log is defined.
+ynh_check_starting () {
+	local line_to_match="$1"
+	local app_log="${2:-/var/log/$service_name/$service_name.log}"
+	local timeout=${3:-300}
+	local service_name="${4:-$app}"
+
+	ynh_clean_check_starting () {
+		# Stop the execution of tail.
+		kill -s 15 $pid_tail 2>&1
+		ynh_secure_remove "$templog" 2>&1
+	}
+
+	echo "Starting of $service_name" >&2
+	systemctl stop $service_name
+	local templog="$(mktemp)"
+	# Following the starting of the app in its log
+	tail -F -n0 "$app_log" > "$templog" &
+	# Get the PID of the tail command
+	local pid_tail=$!
+	systemctl start $service_name
+
+	local i=0
+	for i in `seq 1 $timeout`
+	do
+		# Read the log until the sentence is found, that means the app finished to start. Or run until the timeout
+		if grep --quiet "$line_to_match" "$templog"
+		then
+			echo "The service $service_name has correctly started." >&2
+			break
+		fi
+		echo -n "." >&2
+		sleep 1
+	done
+	if [ $i -eq $timeout ]
+	then
+		echo "The service $service_name didn't fully started before the timeout." >&2
+	fi
+
+	echo ""
+	ynh_clean_check_starting
+}
diff --git a/scripts/install b/scripts/install
index 1341f5f..c0e4f50 100644
--- a/scripts/install
+++ b/scripts/install
@@ -6,7 +6,7 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
-# source _common.sh
+source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -147,6 +147,13 @@ systemctl restart uwsgi
 # Ajoute le service au monitoring de Yunohost.
 yunohost service add uwsgi --log "/var/log/uwsgi/app/$app.log"
 
+#=================================================
+# CHECK SEARX STARTING
+#=================================================
+
+# Wait for searx to be fully started
+ynh_check_starting "spawned uWSGI master process" "/var/log/uwsgi/app/$app.log" "300" "uwsgi"
+
 #=================================================
 # GENERIC FINALISATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index bbef000..495b97e 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -13,12 +13,12 @@ set -eu
 # IMPORT GENERIC HELPERS
 #=================================================
 
-# if [ ! -e _common.sh ]; then
-# 	# Rapatrie le fichier de fonctions si il n'est pas dans le dossier courant
-# 	cp ../settings/scripts/_common.sh ./_common.sh
-# 	chmod a+rx _common.sh
-# fi
-# source _common.sh
+if [ ! -e _common.sh ]; then
+	# Rapatrie le fichier de fonctions si il n'est pas dans le dossier courant
+	cp ../settings/scripts/_common.sh ./_common.sh
+	chmod a+rx _common.sh
+fi
+source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -93,8 +93,14 @@ ln -s /etc/uwsgi/apps-available/$app.ini /etc/uwsgi/apps-enabled/$app.ini
 #=================================================
 # GENERIC FINALISATION
 #=================================================
-# RELOAD NGINX AND UWSGI
+# RELOAD NGINX
 #=================================================
 
-systemctl restart uwsgi
 systemctl reload nginx
+
+#=================================================
+# CHECK SEARX STARTING
+#=================================================
+
+# Wait for searx to be fully started
+ynh_check_starting "spawned uWSGI master process" "/var/log/uwsgi/app/$app.log" "300" "uwsgi"
diff --git a/scripts/upgrade b/scripts/upgrade
index ba72cc8..831edc4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -6,7 +6,7 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
-# source _common.sh
+source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -25,10 +25,10 @@ final_path=$(ynh_app_setting_get $app final_path)
 #=================================================
 
 # Fix is_public as a boolean value
-if [ "$is_public" = "Yes" ]; then
+if [ "${is_public,,}" = "yes" ]; then
 	ynh_app_setting_set $app is_public 1
 	is_public=1
-elif [ "$is_public" = "No" ]; then
+elif [ "${is_public,,}" = "no" ]; then
 	ynh_app_setting_set $app is_public 0
 	is_public=0
 fi
@@ -102,8 +102,6 @@ ynh_system_user_create $app
 # UPGRADE SEARX IN ITS VIRTUALENV
 #=================================================
 
-virtualenv "$final_path"
-
 #run source in a 'sub shell'
 (
 	set +o nounset
@@ -115,7 +113,6 @@ virtualenv "$final_path"
 	pip install lxml babel
 )
 
-
 #=================================================
 # CONFIGURE SEARX
 #=================================================
@@ -150,7 +147,13 @@ chown $app: --recursive "$final_path"
 cp ../conf/searx.ini /etc/uwsgi/apps-available/$app.ini
 ynh_replace_string "__APP__" "$app" /etc/uwsgi/apps-available/$app.ini
 ynh_replace_string "__FINALPATH__" "$final_path" /etc/uwsgi/apps-available/$app.ini
-systemctl restart uwsgi
+
+#=================================================
+# CHECK SEARX STARTING
+#=================================================
+
+# Wait for searx to be fully started
+ynh_check_starting "spawned uWSGI master process" "/var/log/uwsgi/app/$app.log" "300" "uwsgi"
 
 #=================================================
 # SETUP SSOWAT
diff --git a/sources/extra_files/app/requirements-ynh.txt b/sources/extra_files/app/requirements-ynh.txt
index a821ba1..d0a8eef 100644
--- a/sources/extra_files/app/requirements-ynh.txt
+++ b/sources/extra_files/app/requirements-ynh.txt
@@ -1,14 +1,18 @@
-certifi==2016.9.26
-flask==0.12
-flask-babel==0.11.1
-# lxml==3.7.1
-markupsafe==0.23
-ndg-httpsclient==0.4.2
-pyasn1==0.1.9
-pyasn1-modules==0.0.8
+# Have a look to https://github.com/asciimoo/searx/blob/master/requirements.txt for each upgrade of Searx
+certifi==2017.11.5
+flask==0.12.2
+flask-babel==0.11.2
+# lxml==4.1.1
+idna==2.5
 pygments==2.1.3
-pyopenssl==16.2.0
-python-dateutil==2.5.3
-pyyaml==3.11
-requests[socks]==2.12.4
-cffi>=1.6
\ No newline at end of file
+pyopenssl==17.4.0
+python-dateutil==2.6.1
+pyyaml==3.12
+requests[socks]==2.18.4
+
+# Additionnals requirements
+markupsafe>=0.23
+ndg-httpsclient>=0.4.2
+pyasn1>=0.1.9
+pyasn1-modules>=0.0.8
+cffi>=1.6