diff --git a/src/libudev/libudev.pc.in b/src/libudev/libudev.pc.in
index 89028aaa6bf..1d6487fa408 100644
--- a/src/libudev/libudev.pc.in
+++ b/src/libudev/libudev.pc.in
@@ -16,4 +16,5 @@ Name: libudev
 Description: Library to access udev device information
 Version: {{PROJECT_VERSION}}
 Libs: -L${libdir} -ludev
+Libs.private: -lrt -pthread
 Cflags: -I${includedir}