diff --git a/conf/app.src b/conf/app.src
index ae5cbd3..be34285 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/asciimoo/searx/archive/v0.14.0.tar.gz
-SOURCE_SUM=002c7f9ceeafc5ada2f1fd30b5d5f6c9
+SOURCE_URL=https://github.com/asciimoo/searx/archive/v0.15.0.tar.gz
+SOURCE_SUM=fbf7a16ece1e464d69c5a08f5a039a1a
 SOURCE_SUM_PRG=md5sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/searx.ini b/conf/searx.ini
index 5b503d4..25097f8 100644
--- a/conf/searx.ini
+++ b/conf/searx.ini
@@ -12,7 +12,7 @@ chmod-socket = 666
 # Plugin to use and interpretor config
 single-interpreter = true
 master = true
-plugin = python
+plugin = python3
 lazy-apps = true
 enable-threads = true
 
diff --git a/manifest.json b/manifest.json
index 62e6426..69d2617 100644
--- a/manifest.json
+++ b/manifest.json
@@ -7,7 +7,7 @@
 		"fr": "Un méta-moteur de recherche respectueux de la vie privée et bidouillable", 
 		"de": "Eine Meta-Suchmaschine, die den Privatsphäre wahrt und 'hackable' ist."
 	},
-	"version": "0.14.0~ynh1",
+	"version": "0.15.0~ynh1",
 	"url": "https://asciimoo.github.io/searx/",
 	"license": "AGPL-3.0-or-later",
 	"maintainer": {
diff --git a/scripts/install b/scripts/install
index 32f2498..cdd619c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -55,7 +55,7 @@ ynh_app_setting_set $app is_public $is_public
 # INSTALL DEPENDENCIES
 #=================================================
 
-ynh_install_app_dependencies git build-essential libxslt-dev python-dev python-virtualenv virtualenv python-babel zlib1g-dev libffi-dev libssl-dev python-lxml uwsgi uwsgi-plugin-python
+ynh_install_app_dependencies git build-essential libxslt-dev python3-dev python3-virtualenv virtualenv python3-babel zlib1g-dev libffi-dev libssl-dev python3-lxml uwsgi uwsgi-plugin-python3
 
 #=================================================
 # NGINX CONFIGURATION
@@ -93,7 +93,7 @@ ynh_setup_source "$final_path"
 # INSTALL SEARX IN A VIRTUALENV
 #=================================================
 
-virtualenv --system-site-packages "$final_path"
+virtualenv --python=/usr/bin/python3 --system-site-packages "$final_path"
 set +u; source $final_path/bin/activate; set -u
 pip install -U setuptools
 pip install --requirement $final_path/requirements-ynh.txt
diff --git a/scripts/restore b/scripts/restore
index 413aa02..017f61b 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -54,7 +54,7 @@ ynh_restore_file "$final_path"
 # INSTALL DEPENDENCIES
 #=================================================
 
-ynh_install_app_dependencies git build-essential libxslt-dev python-dev python-virtualenv virtualenv python-babel zlib1g-dev libffi-dev libssl-dev python-lxml uwsgi uwsgi-plugin-python
+ynh_install_app_dependencies git build-essential libxslt-dev python3-dev python3-virtualenv virtualenv python3-babel zlib1g-dev libffi-dev libssl-dev python3-lxml uwsgi uwsgi-plugin-python3
 
 #=================================================
 # RECREATE OF THE DEDICATED USER
diff --git a/scripts/upgrade b/scripts/upgrade
index b71f771..8f70898 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -62,7 +62,7 @@ path_url=$(ynh_normalize_url_path $path_url)
 # UPGRADE DEPENDENCIES
 #=================================================
 
-ynh_install_app_dependencies git build-essential libxslt-dev python-dev python-virtualenv virtualenv python-babel zlib1g-dev libffi-dev libssl-dev python-lxml uwsgi uwsgi-plugin-python
+ynh_install_app_dependencies git build-essential libxslt-dev python3-dev python3-virtualenv virtualenv python3-babel zlib1g-dev libffi-dev libssl-dev python3-lxml uwsgi uwsgi-plugin-python3
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -102,8 +102,14 @@ ynh_system_user_create $app
 # UPGRADE SEARX IN ITS VIRTUALENV
 #=================================================
 
-rm -r $final_path/lib/python2.7/site-packages/setuptools $final_path/lib/python2.7/site-packages/setuptools-*
-virtualenv --system-site-packages "$final_path"
+if [ -d $final_path/lib/python2.7 ]; then
+    # The old python2 venv is there, we need to remove it first
+    rm -r $final_path/bin $final_path/lib $final_path/include
+    rm $final_path/pip-selfcheck.json
+else
+    rm -r $final_path/lib/python3.5/site-packages/setuptools $final_path/lib/python3.5/site-packages/setuptools-*
+fi
+virtualenv --python=/usr/bin/python3 --system-site-packages "$final_path"
 set +u; source $final_path/bin/activate; set -u
 pip install -U setuptools
 pip install --requirement $final_path/requirements-ynh.txt --upgrade
diff --git a/sources/extra_files/app/requirements-ynh.txt b/sources/extra_files/app/requirements-ynh.txt
index d0a8eef..76b24ae 100644
--- a/sources/extra_files/app/requirements-ynh.txt
+++ b/sources/extra_files/app/requirements-ynh.txt
@@ -1,14 +1,14 @@
 # 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==1.0.2
 flask-babel==0.11.2
-# lxml==4.1.1
-idna==2.5
+# lxml==4.2.3
+idna==2.7
 pygments==2.1.3
-pyopenssl==17.4.0
-python-dateutil==2.6.1
-pyyaml==3.12
-requests[socks]==2.18.4
+pyopenssl==18.0.0
+python-dateutil==2.7.3
+pyyaml==3.13
+requests[socks]==2.19.1
 
 # Additionnals requirements
 markupsafe>=0.23