diff --git a/pyexternals/CMakeLists.txt b/pyexternals/CMakeLists.txt
index c6d92919d0728bfb16af41a2114f8d700fb558e4..2602b9d5f6b588587c6c04a1fd84b28082032a44 100644
--- a/pyexternals/CMakeLists.txt
+++ b/pyexternals/CMakeLists.txt
@@ -8069,7 +8069,7 @@ LCGPackage_Add(
   ENDIF
           COMMAND ${CMAKE_SOURCE_DIR}/pyexternals/Python_postinstall.sh <INSTALL_DIR>
   BUILD_IN_SOURCE 1
-  DEPENDS Python setuptools rich IF <VERSION> VERSION_GREATER_EQUAL 0.74.0 THEN pip ENDIF
+  DEPENDS Python setuptools rich IF <VERSION> VERSION_GREATER_EQUAL 0.74.0 THEN pip markdown_it_py typing_extensions ENDIF
 
 )