diff -ru impacket-0.9.22/setup.py impacket-0.9.22.new/setup.py
--- impacket-0.9.22/setup.py	2020-11-23 14:58:25.000000000 +0100
+++ impacket-0.9.22.new/setup.py	2021-05-02 23:38:58.269732430 +0200
@@ -58,11 +58,9 @@
                 'impacket.examples.ntlmrelayx.attacks'],
       scripts = glob.glob(os.path.join('examples', '*.py')),
       data_files = data_files,
-      install_requires=['pyasn1>=0.2.3', 'pycryptodomex', 'pyOpenSSL>=0.13.1', 'six', 'ldap3>=2.5,!=2.5.2,!=2.5.0,!=2.6', 'ldapdomaindump>=0.9.0', 'flask>=1.0'],
-      extras_require={
-                      'pyreadline:sys_platform=="win32"': [],
-                    },
+      install_requires=['pyasn1>=0.2.3', 'pycryptodomex', 'pyOpenSSL>=0.13.1', 'six', 'ldap3>=2.5.1', 'ldapdomaindump>=0.9.0', 'flask>=1.0'],
       classifiers = [
+          "Programming Language :: Python :: 3.9",
           "Programming Language :: Python :: 3.8",
           "Programming Language :: Python :: 3.7",
           "Programming Language :: Python :: 3.6",