diff --git a/gnu/local.mk b/gnu/local.mk
index ab63bd5881..041e2f1b7b 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -543,6 +543,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/toys.scm				\
   %D%/packages/tryton.scm			\
   %D%/packages/qt.scm				\
+  %D%/packages/quantum.scm			\
   %D%/packages/racket.scm			\
   %D%/packages/radio.scm			\
   %D%/packages/ragel.scm			\
diff --git a/gnu/packages/quantum.scm b/gnu/packages/quantum.scm
new file mode 100644
index 0000000000..c0658daae4
--- /dev/null
+++ b/gnu/packages/quantum.scm
@@ -0,0 +1,68 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2024 Michal Atlas <michal_atlas+git@posteo.net>
+;;; Copyright © 2024 Guillaume Le Vaillant <glv@posteo.net>
+;;;
+;;; 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 quantum)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages lisp-check)
+  #:use-module (gnu packages lisp-xyz)
+  #:use-module (guix build-system asdf)
+  #:use-module (guix gexp)
+  #:use-module (guix git-download)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages))
+
+(define-public sbcl-rpcq
+  (package
+    (name "sbcl-rpcq")
+    (version "3.10.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/rigetti/rpcq")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name "cl-rpcq" version))
+       (sha256
+        (base32 "1bvppxlacvp0pfdbpn7ls1zxd127jacl225ds7lph5s8f8cyvf17"))))
+    (build-system asdf-build-system/sbcl)
+    (native-inputs (list sbcl-fiasco))
+    (inputs
+     (list sbcl-alexandria
+           sbcl-bordeaux-threads
+           sbcl-cl-messagepack
+           sbcl-cl-ppcre
+           sbcl-cl-syslog
+           sbcl-flexi-streams
+           sbcl-local-time
+           sbcl-parse-float
+           sbcl-pzmq
+           sbcl-trivial-backtrace
+           sbcl-uuid
+           sbcl-yason))
+    (synopsis "RPC framework for Rigetti Quantum Cloud Services")
+    (description
+     "This package provides the asynchronous RPC client-server framework and
+message specification for Rigetti Quantum Cloud Services (QCS).  It implements
+an efficient transport protocol by using ZeroMQ (ZMQ) sockets and MessagePack
+(msgpack) serialization.")
+    (home-page "https://github.com/rigetti/rpcq")
+    (license license:asl2.0)))
+
+(define-public cl-rpcq
+  (sbcl-package->cl-source-package sbcl-rpcq))