diff --git a/pkgs/development/python-modules/ldap/0001-Check-whether-libldap-is-threadsafe-on-startup.patch b/pkgs/development/python-modules/ldap/0001-Check-whether-libldap-is-threadsafe-on-startup.patch
deleted file mode 100644
index f2b7812cf70f..000000000000
--- a/pkgs/development/python-modules/ldap/0001-Check-whether-libldap-is-threadsafe-on-startup.patch
+++ /dev/null
@@ -1,94 +0,0 @@
-From 3593e2c299c0ac0402f23d44cdbe8e6ff3687b68 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Ond=C5=99ej=20Kuzn=C3=ADk?= <ondra@mistotebe.net>
-Date: Thu, 27 Jan 2022 10:35:56 +0000
-Subject: [PATCH] Check whether libldap is threadsafe on startup.
-
-Closes #432
----
- Lib/ldap/constants.py |  2 --
- Modules/constants.c   | 10 ++++++++++
- setup.cfg             |  6 ++++--
- setup.py              |  1 -
- 4 files changed, 14 insertions(+), 5 deletions(-)
-
-diff --git a/Lib/ldap/constants.py b/Lib/ldap/constants.py
-index 1c1d76a..f76609b 100644
---- a/Lib/ldap/constants.py
-+++ b/Lib/ldap/constants.py
-@@ -341,9 +341,7 @@ CONSTANTS = (
-     # XXX - these should be errors
-     Int('URL_ERR_BADSCOPE'),
-     Int('URL_ERR_MEM'),
--    # Int('LIBLDAP_R'),
- 
--    Feature('LIBLDAP_R', 'HAVE_LIBLDAP_R'),
-     Feature('SASL_AVAIL', 'HAVE_SASL'),
-     Feature('TLS_AVAIL', 'HAVE_TLS'),
-     Feature('INIT_FD_AVAIL', 'HAVE_LDAP_INIT_FD'),
-diff --git a/Modules/constants.c b/Modules/constants.c
-index 07d6065..8d6f63b 100644
---- a/Modules/constants.c
-+++ b/Modules/constants.c
-@@ -197,6 +197,8 @@ int
- LDAPinit_constants(PyObject *m)
- {
-     PyObject *exc, *nobj;
-+    struct ldap_apifeature_info info = { 1, "X_OPENLDAP_THREAD_SAFE", 0 };
-+    int thread_safe = 0;
- 
-     /* simple constants */
- 
-@@ -221,6 +223,14 @@ LDAPinit_constants(PyObject *m)
-         return -1;
-     Py_INCREF(LDAPexception_class);
- 
-+#ifdef LDAP_API_FEATURE_X_OPENLDAP_THREAD_SAFE
-+    if (ldap_get_option(NULL, LDAP_OPT_API_FEATURE_INFO, &info) == LDAP_SUCCESS) {
-+        thread_safe = (info.ldapaif_version == 1);
-+    }
-+#endif
-+    if (PyModule_AddIntConstant(m, "LIBLDAP_R", thread_safe) != 0)
-+        return -1;
-+
-     /* Generated constants -- see Lib/ldap/constants.py */
- 
- #define add_err(n) do {  \
-diff --git a/setup.cfg b/setup.cfg
-index 2e372ba..a75f186 100644
---- a/setup.cfg
-+++ b/setup.cfg
-@@ -5,7 +5,9 @@ license_file = LICENCE
- defines = HAVE_SASL HAVE_TLS HAVE_LIBLDAP_R
- extra_compile_args = 
- extra_objects = 
--libs = ldap_r lber
-+# Uncomment this if your libldap is not thread-safe and you need libldap_r
-+# instead
-+#libs = ldap_r lber
- 
- [install]
- compile = 1
-@@ -13,7 +15,7 @@ optimize = 1
- 
- [bdist_rpm]
- provides = python-ldap
--requires = python libldap-2_4
-+requires = python libldap-2
- vendor = python-ldap project
- packager = python-ldap team
- distribution_name = openSUSE 11.x
-diff --git a/setup.py b/setup.py
-index 119b571..b193957 100644
---- a/setup.py
-+++ b/setup.py
-@@ -132,7 +132,6 @@ setup(
-       extra_objects = LDAP_CLASS.extra_objects,
-       runtime_library_dirs = (not sys.platform.startswith("win"))*LDAP_CLASS.library_dirs,
-       define_macros = LDAP_CLASS.defines + \
--        ('ldap_r' in LDAP_CLASS.libs or 'oldap_r' in LDAP_CLASS.libs)*[('HAVE_LIBLDAP_R',None)] + \
-         ('sasl' in LDAP_CLASS.libs or 'sasl2' in LDAP_CLASS.libs or 'libsasl' in LDAP_CLASS.libs)*[('HAVE_SASL',None)] + \
-         ('ssl' in LDAP_CLASS.libs and 'crypto' in LDAP_CLASS.libs)*[('HAVE_TLS',None)] + \
-         [
--- 
-2.36.0
-
diff --git a/pkgs/development/python-modules/ldap/default.nix b/pkgs/development/python-modules/ldap/default.nix
index b58f6bafed5d..ceaf4f6bf83a 100644
--- a/pkgs/development/python-modules/ldap/default.nix
+++ b/pkgs/development/python-modules/ldap/default.nix
@@ -5,17 +5,13 @@
 
 buildPythonPackage rec {
   pname = "python-ldap";
-  version = "3.4.0";
+  version = "3.4.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "60464c8fc25e71e0fd40449a24eae482dcd0fb7fcf823e7de627a6525b3e0d12";
+    sha256 = "sha256-sWRwoJg6rwmgD/uPQLaaJEbz0L5jmiKSVrzjgfyyaPc=";
   };
 
-  patches = [
-    ./0001-Check-whether-libldap-is-threadsafe-on-startup.patch
-  ];
-
   propagatedBuildInputs = [ pyasn1 pyasn1-modules ];
 
   checkInputs = [ pytestCheckHook ];