diff --git a/src/yunohost/tools.py b/src/yunohost/tools.py
index 42114c7e9..92c68eca9 100644
--- a/src/yunohost/tools.py
+++ b/src/yunohost/tools.py
@@ -41,7 +41,7 @@ from moulinette import msettings, msignals, m18n
 from moulinette.core import init_authenticator
 from yunohost.utils.error import YunohostError
 from moulinette.utils.log import getActionLogger
-from moulinette.utils.process import check_output
+from moulinette.utils.process import check_output, call_async_output
 from moulinette.utils.filesystem import read_json, write_to_json
 from yunohost.app import app_fetchlist, app_info, app_upgrade, app_ssowatconf, app_list, _install_appslist_fetch_cron
 from yunohost.domain import domain_add, domain_list, _get_maindomain, _set_maindomain
@@ -474,23 +474,54 @@ def tools_update(ignore_apps=False, ignore_packages=False):
     # "packages" will list upgradable packages
     packages = []
     if not ignore_packages:
-        cache = apt.Cache()
 
         # Update APT cache
+        # LC_ALL=C is here to make sure the results are in english
+        command = "LC_ALL=C apt update"
+        # TODO : add @is_unit_operation to tools_update so that the
+        # debug output can be fetched when there's an issue...
+        callbacks = (
+            # stdout goes to debug
+            lambda l: logger.debug(l.rstrip()),
+            # stderr goes to warning
+            # FIXME : filter the damn "CLI interface not stable" from apt >.>
+            lambda l: logger.warning(l.rstrip()),
+        )
+
         logger.info(m18n.n('updating_apt_cache'))
-        if not cache.update():
+
+        returncode = call_async_output(command, callbacks, shell=True)
+
+        if returncode != 0:
+
+            # TODO : here, we should run something like a
+            # `cat /etc/apt/sources.list /etc/apt/sources.list.d/*`
+            # and append it to the error message to improve debugging
+
             raise YunohostError('update_cache_failed')
 
-        cache.open(None)
-        cache.upgrade(True)
+        # List upgradable packages
+        # LC_ALL=C is here to make sure the results are in english
+        upgradable_raw = check_output("LC_ALL=C apt list --upgradable")
 
-        # Add changelogs to the result
-        for pkg in cache.get_changes():
+        # Dirty parsing of the output
+        upgradable_raw = [l.strip() for l in upgradable_raw.split("\n") if l.strip()]
+        for line in upgradable_raw:
+            # Remove stupid warning and verbose messages >.>
+            if "apt does not have a stable CLI interface" in line or "Listing..." in line:
+                continue
+            # line should look like :
+            # yunohost/stable 3.5.0.2+201903211853 all [upgradable from: 3.4.2.4+201903080053]
+            line = line.split()
+            if len(line) != 6:
+                logger.warning("Failed to parse this line : %s" % ' '.join(line))
+                continue
             packages.append({
-                'name': pkg.name,
-                'fullname': pkg.fullname,
-                'changelog': pkg.get_changelog()
+                "name": line[0].split("/")[0],
+                "new_version": line[1],
+                "current_version": line[5].strip("]"),
             })
+
         logger.debug(m18n.n('done'))
 
     # "apps" will list upgradable packages