diff --git a/gnu/local.mk b/gnu/local.mk
index 802f4be4fe..829c5e166e 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1103,6 +1103,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/cool-retro-term-wctype.patch		\
   %D%/packages/patches/coq-autosubst-1.8-remove-deprecated-files.patch		\
   %D%/packages/patches/coreutils-gnulib-tests.patch		\
+  %D%/packages/patches/cpp-ada-url-parser-find-system-testing-dependencies.patch\
   %D%/packages/patches/cppcheck-disable-char-signedness-test.patch	\
   %D%/packages/patches/cppdap-add-CPPDAP_USE_EXTERNAL_GTEST_PACKAGE.patch\
   %D%/packages/patches/cpulimit-with-glib-2.32.patch		\
diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm
index c805dae825..92be49967f 100644
--- a/gnu/packages/cpp.scm
+++ b/gnu/packages/cpp.scm
@@ -3284,3 +3284,29 @@ (define-public tl-optional
 the std::optional for C++11/14/17, with support for monadic operations added in
 C++23.")
     (license license:cc0)))
+
+(define-public cpp-ada-url-parser
+  (package
+    (name "cpp-ada-url-parser")
+    (version "2.9.2")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+              (url "https://github.com/ada-url/ada.git")
+              (commit (string-append "v" version))))
+        (file-name (git-file-name name version))
+        (sha256 (base32 "0xvvjlia627ajl966gdxzy2b1j0jiimx7zx8ypmffwx0k6x72qam"))
+        (patches (search-patches "cpp-ada-url-parser-find-system-testing-dependencies.patch"))))
+    (build-system cmake-build-system)
+    (native-inputs
+     (list cxxopts
+           fmt
+           googletest
+           python
+           simdjson))
+    (home-page "https://github.com/ada-url/ada")
+    (synopsis "URL parser")
+    (description "Ada is a fast and spec-compliant URL parser written in C++.
+Specification for URL parser can be found from the WHATWG website.")
+    (license license:gpl3+)))
diff --git a/gnu/packages/patches/cpp-ada-url-parser-find-system-testing-dependencies.patch b/gnu/packages/patches/cpp-ada-url-parser-find-system-testing-dependencies.patch
new file mode 100644
index 0000000000..b32d162530
--- /dev/null
+++ b/gnu/packages/patches/cpp-ada-url-parser-find-system-testing-dependencies.patch
@@ -0,0 +1,130 @@
+From 74cac57a3cebe0cfbbc44f46270d5e51986f4881 Mon Sep 17 00:00:00 2001
+From: dan <i@dan.games>
+Date: Sat, 21 Sep 2024 18:49:10 +0800
+Subject: [PATCH] find system testing dependencies.
+
+---
+ CMakeLists.txt             | 50 +++++++++-----------------------------
+ singleheader/amalgamate.py |  2 +-
+ tools/cli/CMakeLists.txt   |  8 ++----
+ 3 files changed, 14 insertions(+), 46 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a7ce3796..0903cc31 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -28,43 +28,23 @@ option(ADA_TESTING "Build tests" ${BUILD_TESTING})
+ # errors due to CPM, so this is here to support disabling all the testing
+ # and tooling for ada if one only wishes to use the ada library.
+ if(ADA_TESTING OR ADA_BENCHMARKS OR ADA_TOOLS)
+-  include(cmake/CPM.cmake)
+-  # CPM requires git as an implicit dependency
+-  find_package(Git QUIET)
+   # We use googletest in the tests
+-  if(Git_FOUND AND ADA_TESTING)
+-    CPMAddPackage(
+-      NAME GTest
+-      GITHUB_REPOSITORY google/googletest
+-      VERSION 1.14.0
+-      OPTIONS  "BUILD_GMOCK OFF" "INSTALL_GTEST OFF"
+-    )
++  if(ADA_TESTING)
++    find_package(GTest)
+   endif()
+   # We use simdjson in both the benchmarks and tests
+-  if(Git_FOUND AND (ADA_TESTING OR ADA_BENCHMARKS))
+-    CPMAddPackage("gh:simdjson/simdjson@3.9.1")
++  if(ADA_TESTING OR ADA_BENCHMARKS)
++    find_package(simdjson)
+   endif()
+   # We use Google Benchmark, but it does not build under several 32-bit systems.
+-  if(Git_FOUND AND ADA_BENCHMARKS AND (CMAKE_SIZEOF_VOID_P EQUAL 8))
+-    CPMAddPackage(
+-      NAME benchmark
+-      GITHUB_REPOSITORY google/benchmark
+-      GIT_TAG f91b6b4
+-      OPTIONS "BENCHMARK_ENABLE_TESTING OFF"
+-              "BENCHMARK_ENABLE_INSTALL OFF"
+-              "BENCHMARK_ENABLE_WERROR OFF"
+-
+-    )
++  if(ADA_BENCHMARKS AND (CMAKE_SIZEOF_VOID_P EQUAL 8))
++    find_package(benchmark)
+   endif()
+ 
+   if (ADA_TESTING AND NOT EMSCRIPTEN)
+-    if(Git_FOUND)
+-      set(CTEST_TEST_TIMEOUT 5)
+-      message(STATUS "The tests are enabled.")
+-      add_subdirectory(tests)
+-    else()
+-      message(STATUS "The tests are disabled because git was not found.")
+-    endif()
++    set(CTEST_TEST_TIMEOUT 5)
++    message(STATUS "The tests are enabled.")
++    add_subdirectory(tests)
+   else()
+     if(is_top_project)
+       message(STATUS "The tests are disabled.")
+@@ -72,12 +52,8 @@ if(ADA_TESTING OR ADA_BENCHMARKS OR ADA_TOOLS)
+   endif(ADA_TESTING AND NOT EMSCRIPTEN)
+ 
+   If(ADA_BENCHMARKS AND NOT EMSCRIPTEN)
+-    if(Git_FOUND)
+-      message(STATUS "Ada benchmarks enabled.")
+-      add_subdirectory(benchmarks)
+-    else()
+-      message(STATUS "The benchmarks are disabled because git was not found.")
+-    endif()
++    message(STATUS "Ada benchmarks enabled.")
++    add_subdirectory(benchmarks)
+   else(ADA_BENCHMARKS AND NOT EMSCRIPTEN)
+     if(is_top_project)
+       message(STATUS "Ada benchmarks disabled. Set ADA_BENCHMARKS=ON to enable them.")
+@@ -107,11 +83,7 @@ if(NOT ADA_COVERAGE AND NOT EMSCRIPTEN)
+ endif()
+ 
+ if(ADA_TOOLS)
+-  if(Git_FOUND)
+     add_subdirectory(tools)
+-  else()
+-    message(STATUS "The tools are disabled because git was not found.")
+-  endif()
+ endif()
+ 
+ install(
+diff --git a/singleheader/amalgamate.py b/singleheader/amalgamate.py
+index 52b154b6..94e4e638 100755
+--- a/singleheader/amalgamate.py
++++ b/singleheader/amalgamate.py
+@@ -138,7 +138,7 @@ if SCRIPTPATH != AMALGAMATE_OUTPUT_PATH:
+ 
+ shutil.copy2(os.path.join(AMALGAMATE_INCLUDE_PATH, 'ada_c.h'), AMALGAMATE_OUTPUT_PATH)
+ 
+-zf = zipfile.ZipFile(os.path.join(AMALGAMATE_OUTPUT_PATH, 'singleheader.zip'), 'w', zipfile.ZIP_DEFLATED)
++zf = zipfile.ZipFile(os.path.join(AMALGAMATE_OUTPUT_PATH, 'singleheader.zip'), 'w', zipfile.ZIP_DEFLATED, strict_timestamps=False)
+ zf.write(os.path.join(AMALGAMATE_OUTPUT_PATH, 'ada.cpp'), 'ada.cpp')
+ zf.write(os.path.join(AMALGAMATE_OUTPUT_PATH, 'ada.h'), 'ada.h')
+ zf.write(os.path.join(AMALGAMATE_INCLUDE_PATH, 'ada_c.h'), 'ada_c.h')
+diff --git a/tools/cli/CMakeLists.txt b/tools/cli/CMakeLists.txt
+index 9f0da167..d0f7e0c9 100644
+--- a/tools/cli/CMakeLists.txt
++++ b/tools/cli/CMakeLists.txt
+@@ -8,12 +8,8 @@ if(MSVC AND BUILD_SHARED_LIBS)
+         "$<TARGET_FILE:ada>"      # <--this is in-file
+         "$<TARGET_FILE_DIR:adaparse>")                 # <--this is out-file path
+ endif()
+-CPMAddPackage("gh:fmtlib/fmt#10.2.1")
+-CPMAddPackage(
+-  GITHUB_REPOSITORY jarro2783/cxxopts
+-  VERSION 3.2.0
+-  OPTIONS "CXXOPTS_BUILD_EXAMPLES NO" "CXXOPTS_BUILD_TESTS NO" "CXXOPTS_ENABLE_INSTALL YES"
+-)
++find_package(fmt)
++find_package(cxxopts)
+ target_link_libraries(adaparse PRIVATE cxxopts::cxxopts fmt::fmt)
+ 
+ if(MSVC OR MINGW)
+-- 
+2.45.2
+
