diff --git a/src/libsystemd/libsystemd.pc.in b/src/libsystemd/libsystemd.pc.in
index 3a43ef6071..8932eee8a3 100644
--- a/src/libsystemd/libsystemd.pc.in
+++ b/src/libsystemd/libsystemd.pc.in
@@ -18,3 +18,4 @@ URL: {{PROJECT_URL}}
 Version: {{PROJECT_VERSION}}
 Libs: -L${libdir} -lsystemd
 Cflags: -I${includedir}
+Requires.private: libcap
diff --git a/src/libudev/libudev.pc.in b/src/libudev/libudev.pc.in
index 6541bcb1ab..a3f9f7b4f4 100644
--- a/src/libudev/libudev.pc.in
+++ b/src/libudev/libudev.pc.in
@@ -18,3 +18,4 @@ Version: {{PROJECT_VERSION}}
 Libs: -L${libdir} -ludev
 Libs.private: -lrt -pthread
 Cflags: -I${includedir}
+Requires.private: libcap