diff --git a/CMakeLists.txt b/CMakeLists.txt
index 29678efb..ea91f98f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -139,6 +139,10 @@ configure_file(include/mp/config.h.in "${CMAKE_CURRENT_BINARY_DIR}/include/mp/co
 # Generated C++ Capn'Proto schema files
 capnp_generate_cpp(MP_PROXY_SRCS MP_PROXY_HDRS include/mp/proxy.capnp)
 set_source_files_properties("${MP_PROXY_SRCS}" PROPERTIES SKIP_LINTING TRUE) # Ignored before cmake 3.27
+# Build-graph node for generated headers. This lets targets that include
+# the headers order themselves after generation without depending on the
+# library target that also uses them.
+add_custom_target(mp_headers DEPENDS ${MP_PROXY_HDRS})
 
 # util library
 add_library(mputil OBJECT src/mp/util.cpp)