diff -r e8889e9b6786 -r bcff4ebca71d src/pkg-config.cpp.pc.in
--- a/src/pkg-config.cpp.pc.in	Wed Oct 30 16:47:42 2019 +0100
+++ b/src/pkg-config.cpp.pc.in	Tue Dec 03 16:30:02 2019 +0100
@@ -6,5 +6,7 @@
 Description: @PROJECT_DESCRIPTION@
 Version: @PROJECT_VERSION@
 
+Requires: relpipe-lib-common.cpp = @PROJECT_VERSION@
+
 Libs: -L${libdir} -l@LIBRARY_FILE@
 Cflags: -I${includedir}