diff --git a/src/libsystemd/libsystemd.pc.in b/src/libsystemd/libsystemd.pc.in
index da6e4e667e..3786238ccb 100644
--- a/src/libsystemd/libsystemd.pc.in
+++ b/src/libsystemd/libsystemd.pc.in
@@ -17,4 +17,6 @@ Description: systemd Library
 URL: {{PROJECT_URL}}
 Version: {{PROJECT_VERSION}}
 Libs: -L${libdir} -lsystemd
+Libs.private: -lrt
+Requires.private: libcap libcrypt liblz4 liblzma libzstd mount
 Cflags: -I${includedir}