diff --git a/pyproject.toml b/pyproject.toml
index 2b9bd451..68bd26fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,6 +43,7 @@ dependencies = [
     "lxml",
     "psutil",
     "requests",
+    "importlib_resources"
 ]
 
 [project.optional-dependencies]
diff --git a/wikitextprocessor/core.py b/wikitextprocessor/core.py
index 043fbc3a..bd463f2d 100644
--- a/wikitextprocessor/core.py
+++ b/wikitextprocessor/core.py
@@ -16,7 +16,7 @@
 from collections.abc import Sequence
 from dataclasses import dataclass
 from functools import lru_cache
-from importlib.resources import files
+from importlib_resources import files
 from pathlib import Path
 from types import TracebackType
 from typing import (
diff --git a/wikitextprocessor/luaexec.py b/wikitextprocessor/luaexec.py
index 3f34bdfd..8634fa45 100644
--- a/wikitextprocessor/luaexec.py
+++ b/wikitextprocessor/luaexec.py
@@ -11,7 +11,7 @@
 import re
 import traceback
 import unicodedata
-from importlib.resources import files
+from importlib_resources import files
 from typing import (
     TYPE_CHECKING,
     Any,