diff --git a/.gitignore b/.gitignore
index 9953d9b49b..c1abaf794a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,6 +43,8 @@ model_ts*.txt
 .idea
 .vscode
 _darcs
+.venv
+.envrc
 
 # project dirs
 /detectron2/model_zoo/configs
diff --git a/detectron2/model_zoo/model_zoo.py b/detectron2/model_zoo/model_zoo.py
index 4e80ffd48f..28db8d692e 100644
--- a/detectron2/model_zoo/model_zoo.py
+++ b/detectron2/model_zoo/model_zoo.py
@@ -1,12 +1,15 @@
 # Copyright (c) Facebook, Inc. and its affiliates.
+
+import atexit
 import os
-from typing import Optional
-import pkg_resources
 import torch
 
+from contextlib import ExitStack
 from detectron2.checkpoint import DetectionCheckpointer
 from detectron2.config import CfgNode, LazyConfig, get_cfg, instantiate
 from detectron2.modeling import build_model
+from importlib import resources as importlib_resources
+from typing import Optional
 
 
 class _ModelZooUrls:
@@ -136,9 +139,10 @@ def get_config_file(config_path):
     Returns:
         str: the real path to the config file.
     """
-    cfg_file = pkg_resources.resource_filename(
-        "detectron2.model_zoo", os.path.join("configs", config_path)
-    )
+    file_manager = ExitStack()
+    atexit.register(file_manager.close)
+    ref = importlib_resources.files("detectron2.model_zoo") / os.path.join("configs", config_path)
+    cfg_file = file_manager.enter_context(importlib_resources.as_file(ref))
     if not os.path.exists(cfg_file):
         raise RuntimeError("{} not available in Model Zoo!".format(config_path))
     return cfg_file
diff --git a/setup.cfg b/setup.cfg
index f127d7ba05..62ebded5e5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,7 +6,7 @@ known_standard_library=numpy,setuptools,mock
 skip=./datasets,docs
 skip_glob=*/__init__.py,**/configs/**,**/tests/config/**
 known_myself=detectron2
-known_third_party=fvcore,matplotlib,cv2,torch,torchvision,PIL,pycocotools,yacs,termcolor,cityscapesscripts,tabulate,tqdm,scipy,lvis,psutil,pkg_resources,caffe2,onnx,panopticapi,black,isort,av,iopath,omegaconf,hydra,yaml,pydoc,submitit,cloudpickle,packaging,timm,pandas,fairscale,pytorch3d,pytorch_lightning
+known_third_party=fvcore,matplotlib,cv2,torch,torchvision,PIL,pycocotools,yacs,termcolor,cityscapesscripts,tabulate,tqdm,scipy,lvis,psutil,importlib_resources,caffe2,onnx,panopticapi,black,isort,av,iopath,omegaconf,hydra,yaml,pydoc,submitit,cloudpickle,packaging,timm,pandas,fairscale,pytorch3d,pytorch_lightning
 no_lines_before=STDLIB,THIRDPARTY
 sections=FUTURE,STDLIB,THIRDPARTY,myself,FIRSTPARTY,LOCALFOLDER
 default_section=FIRSTPARTY