diff --git a/src/reactor/CMakeLists.txt b/src/reactor/CMakeLists.txt
index e50e7016..f65772c1 100644
--- a/src/reactor/CMakeLists.txt
+++ b/src/reactor/CMakeLists.txt
@@ -21,3 +21,4 @@ xo_dependency(${SELF_LIB} reflect)
 xo_dependency(${SELF_LIB} webutil)
 xo_dependency(${SELF_LIB} printjson)
 xo_dependency(${SELF_LIB} callback)
+xo_dependency(${SELF_LIB} ordinaltree)
diff --git a/utest/CMakeLists.txt b/utest/CMakeLists.txt
index 1ab4b440..1f538cd2 100644
--- a/utest/CMakeLists.txt
+++ b/utest/CMakeLists.txt
@@ -13,6 +13,7 @@ target_code_coverage(${SELF_EXE} AUTO ALL)
 # internal dependency (on this codebase)
 
 xo_self_dependency(${SELF_EXE} reactor)
+xo_dependency(${SELF_EXE} randomgen)
 
 # ----------------------------------------------------------------
 # external dependencies