diff --git a/package/yaml-cpp/0002-Specify-CMake-policy-range-to-avoid-deprecation-warning.patch b/package/yaml-cpp/0002-Specify-CMake-policy-range-to-avoid-deprecation-warning.patch
new file mode 100644
index 0000000000..6ab3df96cf
--- /dev/null
+++ b/package/yaml-cpp/0002-Specify-CMake-policy-range-to-avoid-deprecation-warning.patch
@@ -0,0 +1,26 @@
+From c2680200486572baf8221ba052ef50b58ecd816e Mon Sep 17 00:00:00 2001
+From: Craig Scott <craig.scott@crascit.com>
+Date: Thu, 17 Aug 2023 08:54:05 +1000
+Subject: [PATCH] Specify CMake policy range to avoid deprecation warning
+ (#1211)
+
+Upstream: https://github.com/jbeder/yaml-cpp/commit/c2680200486572baf8221ba052ef50b58ecd816e
+
+Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
+---
+ CMakeLists.txt | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 46dc18059..1ae92e2b7 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,5 +1,6 @@
+-# 3.5 is actually available almost everywhere, but this a good minimum
+-cmake_minimum_required(VERSION 3.4)
++# 3.5 is actually available almost everywhere, but this a good minimum.
++# 3.14 as the upper policy limit avoids CMake deprecation warnings.
++cmake_minimum_required(VERSION 3.4...3.14)
+ 
+ # enable MSVC_RUNTIME_LIBRARY target property
+ # see https://cmake.org/cmake/help/latest/policy/CMP0091.html