diff --git a/crlcore/src/ccore/CMakeLists.txt b/crlcore/src/ccore/CMakeLists.txt
index e35831ac..fda081a2 100644
--- a/crlcore/src/ccore/CMakeLists.txt
+++ b/crlcore/src/ccore/CMakeLists.txt
@@ -294,6 +294,7 @@
                                         ${lefdef_cpps}
                                         ${openaccess_cpps}
                              )
+       set_target_properties ( crlcore  PROPERTIES VERSION 1.0 SOVERSION 1 )
        target_link_libraries ( crlcore  ${HURRICANE_PYTHON_LIBRARIES}
                                         ${HURRICANE_GRAPHICAL_LIBRARIES}
                                         ${HURRICANE_LIBRARIES}