diff --git a/src/websock/CMakeLists.txt b/src/websock/CMakeLists.txt
index e8aa7df2..88511c86 100644
--- a/src/websock/CMakeLists.txt
+++ b/src/websock/CMakeLists.txt
@@ -11,6 +11,11 @@ xo_add_shared_library3(${SELF_LIB} ${PROJECT_NAME}Targets ${PROJECT_VERSION} 1 $
 xo_dependency(${SELF_LIB} reactor)
 xo_dependency(${SELF_LIB} webutil)
 
+# see LibwebsocketsTargets-release.cmake for available targets
+xo_external_target_dependency(${SELF_LIB} libwebsockets websockets_shared)
+# see jsoncpp-namespaced-targets.cmake (maybe?) for available targets
+xo_external_target_dependency(${SELF_LIB} jsoncpp jsoncpp_lib)
+
 # note: changes to xo_dependency() calls here
 #       must coordinate with find_dependency() calls in
 #       xo-websock/cmake/websockConfig.cmake.in