--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,29 +34,12 @@
   # 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@3.3.0")
-  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"
-  
-    )
+    find_package(benchmark)
   endif()
   
   if (ADA_TESTING AND NOT EMSCRIPTEN)
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -1 +1,6 @@
-add_subdirectory(cli)
\ No newline at end of file
+add_subdirectory(cli)
+target_link_libraries(adaparse PRIVATE ada)
+target_include_directories(adaparse PUBLIC "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>")
+
+find_package(cxxopts)
+target_link_libraries(adaparse PRIVATE cxxopts::cxxopts)
--- a/tools/cli/CMakeLists.txt
+++ b/tools/cli/CMakeLists.txt
@@ -8,12 +8,8 @@
         "$<TARGET_FILE:ada>"      # <--this is in-file
         "$<TARGET_FILE_DIR:adaparse>")                 # <--this is out-file path
 endif()
-CPMAddPackage("gh:fmtlib/fmt#7.1.3")
-CPMAddPackage(
-  GITHUB_REPOSITORY jarro2783/cxxopts
-  VERSION 3.1.1
-  OPTIONS "CXXOPTS_BUILD_EXAMPLES NO" "CXXOPTS_BUILD_TESTS NO" "CXXOPTS_ENABLE_INSTALL YES"
-)
+find_package(cxxopts)
+find_package(fmt)
 target_link_libraries(adaparse PRIVATE cxxopts::cxxopts fmt::fmt)
 
 if(MSVC OR MINGW)