--- a/setup.py	Fri Jun 18 13:03:32 2021 +0200
+++ b/setup.py	Fri Jun 18 14:38:51 2021 +0200
@@ -23,35 +23,35 @@
 NAME = 'sat'
 
 install_requires = [
-    'babel',
-    'dbus-python',
-    'html2text',
+    'babel < 3',
+    'dbus-python < 1.3',
+    'html2text < 2020.2',
     'jinja2>=2.10.3',
-    'langid',
+    'langid < 2',
     'lxml >= 3.1.0',
     'markdown >= 3.0',
-    'miniupnpc',
-    'mutagen',
-    'netifaces',
+    'miniupnpc < 2.1',
+    'mutagen < 2',
+    'netifaces < 0.12',
     'pillow >= 6.0.0',
-    'progressbar2',
-    'cryptography',
-    'pygments',
-    'pygobject',
-    'pyopenssl',
-    'python-dateutil',
-    'python-potr',
-    'pyxdg',
-    'sat_tmp >= 0.7.0a4',
-    'shortuuid',
-    'twisted[tls] >= 20.3.0',
-    'treq',
-    'urwid >= 1.2.0',
-    'urwid-satext >= 0.7.0a2',
-    'wokkel >= 0.7.1',
-    'omemo >= 0.11.0',
-    'omemo-backend-signal',
-    'pyyaml',
+    'progressbar2 < 3.54',
+    'cryptography < 3.5',
+    'pygments < 3',
+    'pygobject < 1.2',
+    'pyopenssl < 21.0.0',
+    'python-dateutil < 3',
+    'python-potr < 1.1',
+    'pyxdg < 0.30',
+    'sat_tmp >= 0.8.0b1, < 0.9',
+    'shortuuid < 1.1',
+    'twisted[tls] >= 20.3.0, < 21.3.0',
+    'treq < 22.0.0',
+    'urwid >= 1.2.0, < 3',
+    'urwid-satext >= 0.8.0b1, < 0.9',
+    'wokkel >= 18.0.0, < 19.0.0',
+    'omemo >= 0.11.0, < 0.13.0',
+    'omemo-backend-signal < 0.3',
+    'pyyaml < 5.5.0',
 ]
 
 extras_require = {