diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 8c2f4f1..9d695ed 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/maigret/sites.py b/maigret/sites.py
index 3c30ad8..cc31c09 100644
--- a/maigret/sites.py
+++ b/maigret/sites.py
@@ -1,5 +1,5 @@
+# -*- coding: future_annotations -*-
 """Maigret Sites Information"""
-from __future__ import annotations
 import copy
 import json
 import operator
diff --git a/requirements.txt b/requirements.txt
index 4dd59b2..f60881d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,7 @@ certifi==2020.12.5
 chardet==3.0.4
 colorama==0.4.4
 future==0.18.2
+future-annotations==1.0.0
 html5lib==1.1
 idna==2.10
 Jinja2==2.11.2