diff --git a/src/classes/CMakeLists.txt b/src/classes/CMakeLists.txt
index 7d4afcaf..8d44c760 100644
--- a/src/classes/CMakeLists.txt
+++ b/src/classes/CMakeLists.txt
@@ -73,7 +73,7 @@ set(prefix "${CMAKE_INSTALL_PREFIX}")
 set(exec_prefix "\$\{prefix\}")
 set(libdir "\$\{exec_prefix\}/lib")
 set(includedir "\$\{prefix\}/include")   
-set(MUSR_VERSION "1.4.0")
+set(MUSR_VERSION "1.5.0")
 set(MUSR_LIBRARY_NAME "PMusr")
 configure_file("PMusr.pc.in" "PMusr.pc" @ONLY)
 set(USERFCN_LIBRARY_NAME "PUserFcnBase")