diff --git a/modules/country/scripts/import_countries.py b/modules/country/scripts/import_countries.py
index d7f9c64b63..50e22ac7cd 100755
--- a/modules/country/scripts/import_countries.py
+++ b/modules/country/scripts/import_countries.py
@@ -443,7 +443,7 @@ def translate_countries(countries):
     for code in _get_language_codes():
         try:
             gnutranslation = gettext.translation(
-                'iso3166', pycountry.LOCALES_DIR, languages=[code])
+                'iso3166-1', pycountry.LOCALES_DIR, languages=[code])
         except IOError:
             continue
         print("Update countries %s" % code, file=sys.stderr)
diff --git a/modules/country/setup.py b/modules/country/setup.py
index ea4818391e..e1d0e121e2 100755
--- a/modules/country/setup.py
+++ b/modules/country/setup.py
@@ -50,7 +50,7 @@ for dep in info.get('depends', []):
         requires.append(get_require_version('trytond_%s' % dep))
 requires.append(get_require_version('trytond'))
 
-tests_require = [get_require_version('proteus'), 'pycountry']
+tests_require = [get_require_version('proteus'), 'pycountry >= 16.11.8']
 
 setup(name=name,
     version=version,
@@ -122,7 +122,7 @@ setup(name=name,
     python_requires='>=3.8',
     install_requires=requires,
     extras_require={
-        'data': ['pycountry', get_require_version('proteus')],
+        'data': ['pycountry >= 16.11.8', get_require_version('proteus')],
         'test': tests_require,
         'GeoNames': [get_require_version('proteus')],
         'completion': ['argcomplete'],