diff --git a/hurricane/src/hurricane/CMakeLists.txt b/hurricane/src/hurricane/CMakeLists.txt
index 8eec06e6..a9081486 100644
--- a/hurricane/src/hurricane/CMakeLists.txt
+++ b/hurricane/src/hurricane/CMakeLists.txt
@@ -160,5 +160,6 @@
     
            add_library ( hurricane ${cpps} )
  target_link_libraries ( hurricane ${Boost_LIBRARIES} )
+ set_target_properties ( hurricane PROPERTIES VERSION 1.0 SOVERSION 1 )
                install ( TARGETS hurricane DESTINATION lib${LIB_SUFFIX} )
                install ( FILES ${includes} DESTINATION include/coriolis2/hurricane ) 
diff --git a/hurricane/src/viewer/CMakeLists.txt b/hurricane/src/viewer/CMakeLists.txt
index 894837f8..d0eba053 100644
--- a/hurricane/src/viewer/CMakeLists.txt
+++ b/hurricane/src/viewer/CMakeLists.txt
@@ -111,6 +111,7 @@
      qt4_add_resources ( RCC_SRCS    CellViewer.qrc )
 
            add_library ( viewer      ${cpps} ${MOC_SRCS} ${RCC_SRCS} ${sources2} ${pycpps} )
+ set_target_properties ( viewer      PROPERTIES VERSION 1.0 SOVERSION 1 )
  target_link_libraries ( viewer      hurricane isobar ${CONFIGURATION_LIBRARY} ${Boost_LIBRARIES} ${QT_LIBRARIES} )
            add_library ( pyViewer    MODULE ${pycpps} )
  target_link_libraries ( pyViewer    viewer )