diff --git a/gnu/packages/backup.scm b/gnu/packages/backup.scm
index 0a0d901e67..253ab74a19 100644
--- a/gnu/packages/backup.scm
+++ b/gnu/packages/backup.scm
@@ -1341,7 +1341,7 @@ (define-public borgmatic
                      (invoke "pytest")))))))
     (inputs
      (list borg python-colorama python-jsonschema python-requests
-           python-ruamel.yaml))
+           python-ruamel.yaml-0.16))
     (native-inputs
      (list python-flexmock python-pytest python-pytest-cov))
     (home-page "https://torsion.org/borgmatic/")
diff --git a/gnu/packages/package-management.scm b/gnu/packages/package-management.scm
index c1ad613bee..5d6bc47b8b 100644
--- a/gnu/packages/package-management.scm
+++ b/gnu/packages/package-management.scm
@@ -23,6 +23,7 @@
 ;;; Copyright © 2022, 2023 Zhu Zihao <all_but_last@163.com>
 ;;; Copyright © 2023 jgart <jgart@dismail.de>
 ;;; Copyright © 2023 Mădălin Ionel Patrașcu <madalinionel.patrascu@mdc-berlin.de>
+;;; Copyright © 2024 Arun Isaac <arunisaac@systemreboot.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1251,7 +1252,7 @@ (define-public conda
            python-pyyaml
            python-requests
            python-responses
-           python-ruamel.yaml
+           python-ruamel.yaml-0.16
            python-tqdm
            ;; XXX: This is dragged in by libarchive and is needed at runtime.
            zstd))
diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index c3dfb9603c..a051f5a8db 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -33347,7 +33347,7 @@ (define-public dynaconf
                         "--maxfail=1" "tests/"))))))))
     (propagated-inputs
      (list python-click python-configobj python-dotenv-0.13.0
-           python-ruamel.yaml python-toml python-tomli))
+           python-ruamel.yaml-0.16 python-toml python-tomli))
     (native-inputs
      (list python-django python-flask python-pytest python-pytest-cov
            python-pytest-mock))
diff --git a/gnu/packages/serialization.scm b/gnu/packages/serialization.scm
index cceef41a2a..331fae80cf 100644
--- a/gnu/packages/serialization.scm
+++ b/gnu/packages/serialization.scm
@@ -745,14 +745,14 @@ (define-public python-msgspec
 (define-public python-ruamel.yaml
   (package
     (name "python-ruamel.yaml")
-    (version "0.16.13")
+    (version "0.18.6")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "ruamel.yaml" version))
        (sha256
         (base32
-         "0hm9yg785f46bkrgqknd6fdvmkby9dpzjnm0b63qf0i748acaj5v"))))
+         "06rimidc9nb3i3r90n3a1zwf0qxw24zqykb3wpxwd1p72yifc9wb"))))
     (build-system python-build-system)
     (native-inputs
      (list python-pytest))
@@ -771,6 +771,18 @@ (define-public python-ruamel.yaml
 style and key ordering are kept, so you can diff the source.")
     (license license:expat)))
 
+(define-public python-ruamel.yaml-0.16
+  (package
+    (inherit python-ruamel.yaml)
+    (version "0.16.13")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (pypi-uri "ruamel.yaml" version))
+       (sha256
+        (base32
+         "0hm9yg785f46bkrgqknd6fdvmkby9dpzjnm0b63qf0i748acaj5v"))))))
+
 (define-public python-ruamel.yaml.clib
   (package
     (name "python-ruamel.yaml.clib")