diff --git a/src/pywebsock/CMakeLists.txt b/src/pywebsock/CMakeLists.txt
index 0ad6f596..2823da75 100644
--- a/src/pywebsock/CMakeLists.txt
+++ b/src/pywebsock/CMakeLists.txt
@@ -5,5 +5,5 @@ set(SELF_SRCS pywebsock.cpp)
 
 xo_pybind11_library(${SELF_LIB} ${PROJECT_NAME}Targets ${SELF_SRCS})
 xo_pybind11_dependency(${SELF_LIB} websock)
-#xo_pybind11_header_dependency(${SELF_LIB pyfoo)
+xo_pybind11_header_dependency(${SELF_LIB} pywebutil)
 xo_pybind11_dependency(${SELF_LIB} xo_pyutil)