diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ce83980..9c00148e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -468,5 +468,5 @@ target_link_libraries(
 if(WIN32)
   target_link_libraries(pipy crypt32 userenv)
 else()
-  target_link_libraries(pipy -pthread -ldl)
+  target_link_libraries(pipy -pthread -ldl -lutil)
 endif()