diff --git a/cmake/configs/default.cmake b/cmake/configs/default.cmake
index e3f130c7b6..4e12dcd2d0 100644
--- a/cmake/configs/default.cmake
+++ b/cmake/configs/default.cmake
@@ -401,6 +401,7 @@ hunter_default_version(nanoflann VERSION 1.2.3-p0)
 hunter_default_version(nanosvg VERSION 0.0.0-2b08dee-p0)
 hunter_default_version(ncnn VERSION 20180314-p2)
 hunter_default_version(ncursesw VERSION 6.1)
+hunter_default_version(ned14-internal-quickcpplib VERSION 0.0.0-ef0fe8ec)
 hunter_default_version(nlohmann_fifo_map VERSION 0.0.0-0dfbf5d-p1)
 hunter_default_version(nlohmann_json VERSION 3.8.0)
 hunter_default_version(nng VERSION 1.1.1)
diff --git a/cmake/projects/ned14-internal-quickcpplib/hunter.cmake b/cmake/projects/ned14-internal-quickcpplib/hunter.cmake
new file mode 100644
index 0000000000..a3d1484ceb
--- /dev/null
+++ b/cmake/projects/ned14-internal-quickcpplib/hunter.cmake
@@ -0,0 +1,30 @@
+# Copyright (c) 2021 Niall Douglas https://www.nedproductions.biz/
+# All rights reserved.
+
+# !!! DO NOT PLACE HEADER GUARDS HERE !!!
+
+include(hunter_add_version)
+include(hunter_cacheable)
+include(hunter_cmake_args)
+include(hunter_download)
+include(hunter_pick_scheme)
+include(hunter_source_subdir)
+
+hunter_add_version(
+    PACKAGE_NAME
+    ned14-internal-quickcpplib
+    VERSION
+    0.0.0-ef0fe8ec
+    URL
+    "https://github.com/ned14/quickcpplib/archive/ef0fe8ecf9951717b63b27447ddcaf5cc8eed6e2.tar.gz"
+    SHA1
+    3a36f46f4e03893d908894aa7e6d78f7ab1fe0bf
+)
+
+hunter_cmake_args(ned14-internal-quickcpplib CMAKE_ARGS
+    PROJECT_IS_DEPENDENCY=ON
+)
+
+hunter_pick_scheme(DEFAULT url_sha1_cmake)
+hunter_cacheable(ned14-internal-quickcpplib)
+hunter_download(PACKAGE_NAME ned14-internal-quickcpplib)
diff --git a/docs/packages/pkg/ned14-internal-quickcpplib.rst b/docs/packages/pkg/ned14-internal-quickcpplib.rst
new file mode 100644
index 0000000000..0e208cb25f
--- /dev/null
+++ b/docs/packages/pkg/ned14-internal-quickcpplib.rst
@@ -0,0 +1,23 @@
+.. spelling::
+
+    QuickCppLib
+    quickcpplib
+    ned14-internal-quickcpplib
+
+.. _pkg.ned14-internal-quickcpplib:
+
+ned14-internal-quickcpplib
+==========================
+
+-  `Official <https://github.com/ned14/quickcpplib>`__
+
+.. code-block:: cmake
+
+    find_package(Threads REQUIRED)
+    hunter_add_package(ned14-internal-quickcpplib)
+    find_package(quickcpplib CONFIG REQUIRED)
+    target_link_libraries(... quickcpplib::hl Threads::Threads)
+
+QuickCppLib is an internal dependency automatically retrieved by Outcome
+and LLFIO and is only present here to ensure exactly reproducible builds.
+Do not use it in your own projects.
diff --git a/examples/ned14-internal-quickcpplib/CMakeLists.txt b/examples/ned14-internal-quickcpplib/CMakeLists.txt
new file mode 100644
index 0000000000..1f74ef8b18
--- /dev/null
+++ b/examples/ned14-internal-quickcpplib/CMakeLists.txt
@@ -0,0 +1,17 @@
+# Copyright (c) 2021 Niall Douglas
+# All rights reserved.
+
+cmake_minimum_required(VERSION 3.0)
+
+# Emulate HunterGate:
+# * https://github.com/cpp-pm/gate
+include("../common.cmake")
+
+project(download-ned14-internal-quickcpplib)
+find_package(Threads REQUIRED)
+
+hunter_add_package(ned14-internal-quickcpplib)
+find_package(quickcpplib CONFIG REQUIRED)
+
+add_executable(foo foo.cpp)
+target_link_libraries(foo PUBLIC quickcpplib::hl Threads::Threads)
diff --git a/examples/ned14-internal-quickcpplib/foo.cpp b/examples/ned14-internal-quickcpplib/foo.cpp
new file mode 100644
index 0000000000..708cf5300f
--- /dev/null
+++ b/examples/ned14-internal-quickcpplib/foo.cpp
@@ -0,0 +1,9 @@
+#include <quickcpplib/byte.hpp>
+#include <quickcpplib/signal_guard.hpp>
+
+int main() {
+  using namespace QUICKCPPLIB_NAMESPACE::signal_guard;
+  signal_guard_install i(signalc_set::segmentation_fault | signalc_set::cxx_termination);
+  (void) i;
+  return 0;
+}