diff --git a/src/pyreactor/CMakeLists.txt b/src/pyreactor/CMakeLists.txt
index ad752e96..b7d5695f 100644
--- a/src/pyreactor/CMakeLists.txt
+++ b/src/pyreactor/CMakeLists.txt
@@ -6,3 +6,4 @@ set(SELF_SRCS pyreactor.cpp)
 xo_pybind11_library(${SELF_LIB} ${PROJECT_NAME}Targets ${SELF_SRCS})
 
 xo_pybind11_dependency(${SELF_LIB} reactor)
+xo_pybind11_header_dependency(${SELF_LIB} pyprintjson)