diff --git a/ostap/CMakeLists.txt b/ostap/CMakeLists.txt
index 2266d31f..c159bc99 100644
--- a/ostap/CMakeLists.txt
+++ b/ostap/CMakeLists.txt
@@ -121,6 +121,9 @@ else()
    message ( "----> warning (optional) pathos          is NOT found!" )    
 endif()
 
+# ========================================================================================
+
+    
 # ========================================================================================
 ## lmdb : check&install only if mdb_stat exists ...
 # ========================================================================================  
@@ -137,6 +140,19 @@ if ( ${PYTHON_VERSION} VERSION_GREATER_EQUAL "3.7" )
       endif() 
    endif()
 endif() 
+
+# =======================================================================================
+## joblib: run some numpy-related code in parallel
+# =======================================================================================
+
+find_python_module ( joblib          QUIET )
+if ( NOT ${PY_joblib_FOUND} )
+   execute_process(COMMAND ${PYTHON_EXECUTABLE} -m pip install joblib ${PIP_ARGS})
+endif()
+find_python_module ( joblib          QUIET )
+if ( NOT ${PY_joblib_FOUND} )
+   message ( "----> warning (optional)          joblib is NOT found!" ) 
+endif()
  
 # ========================================================================================
 ## terminaltables3 & terminaltables