diff --git a/cmake/pkgconfig/liblammps.pc.in b/cmake/pkgconfig/liblammps.pc.in
index 445b2ab29e..7850972f3b 100644
--- a/cmake/pkgconfig/liblammps.pc.in
+++ b/cmake/pkgconfig/liblammps.pc.in
@@ -11,7 +11,7 @@ includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
 Name: liblammps@LAMMPS_MACHINE@
 Description: Large-scale Atomic/Molecular Massively Parallel Simulator Library
 URL: http://lammps.sandia.gov
-Version:
+Version: @LAMMPS_VERSION@
 Requires:
 Libs: -L${libdir} -llammps@LAMMPS_LIB_SUFFIX@
 Libs.private: -lm