diff --git a/requirements.txt b/requirements.txt
index 704b23d..873fc71 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,14 +1,14 @@
 attrs==21.2.0
 Automat==20.2.0
-cffi==1.14.6
+cffi==1.15.0
 configobj==5.0.6
 constantly==15.1.0
-cryptography==3.4.8; python_version > '3.0'
+cryptography==36.0.0; python_version > '3.0'
 cryptography==3.3.2; python_version < '3.0'
 enum34==1.1.10; python_version < '3.0'
-future==0.18.2
+future==0.18.2; python_version < '3.0'
 hyperlink==21.0.0
-idna==3.2; python_version > '3.0'
+idna==3.3; python_version > '3.0'
 idna==2.10; python_version < '3.0'
 incremental==21.3.0
 ipaddress==1.0.23; python_version < '3.0'
@@ -17,14 +17,15 @@ ldaptor==20.0.0; python_version < '3.0'
 passlib==1.7.4
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
-pycparser==2.20
+pycparser==2.21
 PyHamcrest==1.10.1; python_version < '3.0'
 pyOpenSSL==21.0.0
-pyparsing==2.4.7
+pyparsing==3.0.6; python_version > '3.0'
+pyparsing==2.4.7; python_version < '3.0'
 service-identity==21.1.0
 six==1.16.0
 Twisted==21.7.0; python_version > '3.0'
 Twisted==20.3.0; python_version < '3.0'
+typing_extensions==4.0.0; python_version > '3.0'
 typing==3.10.0.0; python_version < '3.0'
-typing-extensions==3.10.0.2; python_version > '3.0'
 zope.interface==5.4.0
diff --git a/setup.py b/setup.py
index 6b6fc49..7ca6fd6 100644
--- a/setup.py
+++ b/setup.py
@@ -28,11 +28,10 @@ def get_file_contents(file_path):
       url='http://www.privacyidea.org',
       install_requires=['ldaptor',
                         'six',
-                        'future',
                         'Twisted',
                         'configobj',
                         'pyOpenSSL',
-                        'service-identity'],
+                        'zope.interface'],
       long_description=get_file_contents('README.md'),
       classifiers=[
           "Framework :: Twisted",