diff --git a/pepclibs/helperlibs/ProjectFiles.py b/pepclibs/helperlibs/ProjectFiles.py
index d5e2560b..fa643e14 100644
--- a/pepclibs/helperlibs/ProjectFiles.py
+++ b/pepclibs/helperlibs/ProjectFiles.py
@@ -19,8 +19,13 @@
 
 # TODO: remove the 'importlib_resources' import and use 'importlib.resources' instead when
 #       switching to Python 3.10+. This hack is needed only to support Python 3.9.
-#import importlib.resources
-import importlib_resources
+try:
+    import importlib.resources
+    importlib_resources_files = importlib.resources.files
+except:
+    import importlib_resources
+    importlib_resources_files = importlib_resources.files
+
 from pepclibs.helperlibs import ProcessManager, Logging
 from pepclibs.helperlibs.Exceptions import Error, ErrorNotFound
 
@@ -78,7 +83,7 @@ def get_python_data_package_path(prjname: str) -> Path | None:
             # 'improtlib.resources.files()' into a 'Path' object. Just using 'str()' does not work.
             # However, with 'joinpath()' it is possible to get a string, and then we can convert it
             # to a 'Path' object.
-            multiplexed_path = importlib_resources.files(pkgname)
+            multiplexed_path = importlib_resources_files(pkgname)
             pkgpath = Path(str(multiplexed_path.joinpath(f"../{pkgname}")))
         if pkgpath:
             return pkgpath.resolve()