diff --git a/gnu/local.mk b/gnu/local.mk
index 77696633d2..cf588e5948 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -343,6 +343,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/marst.scm			\
   %D%/packages/mate.scm             \
   %D%/packages/maths.scm			\
+  %D%/packages/matrix.scm			\
   %D%/packages/maven.scm			\
   %D%/packages/mc.scm				\
   %D%/packages/mcrypt.scm			\
diff --git a/gnu/packages/matrix.scm b/gnu/packages/matrix.scm
new file mode 100644
index 0000000000..693cd98631
--- /dev/null
+++ b/gnu/packages/matrix.scm
@@ -0,0 +1,52 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2020 Alex ter Weele <alex.ter.weele@gmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages matrix)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu packages python-crypto)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (guix build-system python)
+  #:use-module (guix download)
+  #:use-module (guix packages))
+
+(define-public python-matrix-synapse-ldap3
+  (package
+    (name "python-matrix-synapse-ldap3")
+    (version "0.1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "matrix-synapse-ldap3" version))
+       (sha256
+        (base32
+         "01bms89sl16nyh9f141idsz4mnhxvjrc3gj721wxh1fhikps0djx"))))
+    (build-system python-build-system)
+    (arguments
+     ;; tests require synapse, creating a circular dependency.
+     '(#:tests? #f))
+    (propagated-inputs
+     `(("python-twisted" ,python-twisted)
+       ("python-ldap3" ,python-ldap3)
+       ("python-service-identity" ,python-service-identity)))
+    (home-page "https://github.com/matrix-org/matrix-synapse-ldap3")
+    (synopsis "LDAP3 auth provider for Synapse")
+    (description
+     "This package allows Synapse to use LDAP as a password provider.
+This lets users log in to Synapse with their username and password from
+an LDAP server.")
+    (license license:asl2.0)))