--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -229,7 +229,7 @@
   GIT_SUBMODULES_RECURSE ON
 )
 
-FetchContent_MakeAvailable(cycfi_infra)
+add_subdirectory(${CMAKE_SOURCE_DIR}/cycfi_infra cycfi_infra_build)
 target_link_libraries(elements PUBLIC cycfi::infra)
 
 ###############################################################################
@@ -270,9 +270,7 @@
 
 FetchContent_Declare(
   asio
-  GIT_REPOSITORY https://github.com/chriskohlhoff/asio.git
-  GIT_TAG asio-1-29-0
-  GIT_SHALLOW TRUE
+  SOURCE_DIR ${CMAKE_SOURCE_DIR}/asio
 )
 FetchContent_MakeAvailable(asio)