diff --git a/requirements.txt b/requirements.txt
index 0ec09e746..fe4a04402 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,8 @@ pytest==7.2.1
 pytest-mypy-plugins==1.10.1
 djangorestframework==3.14.0
 types-pytz==2022.7.1.0
+types-requests==2.28.11.8
+types-urllib3==1.26.25.4
 django-stubs==1.13.0
 django-stubs-ext==0.7.0
 -e .[compatible-mypy,coreapi,markdown]
diff --git a/scripts/git_helpers.py b/scripts/git_helpers.py
index a0b11ba7d..5790891ba 100644
--- a/scripts/git_helpers.py
+++ b/scripts/git_helpers.py
@@ -1,4 +1,3 @@
-from pathlib import Path
 from typing import Optional
 
 from git import RemoteProgress, Repo
@@ -14,7 +13,7 @@ def update(self, op_code, cur_count, max_count=None, message=""):
         print(self._cur_line)
 
 
-def checkout_target_tag(drf_version: Optional[str]) -> Path:
+def git_checkout_drf(commit_ref: Optional[str] = None) -> None:
     if not DRF_SOURCE_DIRECTORY.exists():
         DRF_SOURCE_DIRECTORY.mkdir(exist_ok=True, parents=False)
         repository = Repo.clone_from(
@@ -27,4 +26,4 @@ def checkout_target_tag(drf_version: Optional[str]) -> Path:
     else:
         repository = Repo(DRF_SOURCE_DIRECTORY)
         repository.remote("origin").pull("master", progress=ProgressPrinter(), depth=100)
-    repository.git.checkout(drf_version or "master")
+    repository.git.checkout(commit_ref or "master")
diff --git a/scripts/stubgen-drf.py b/scripts/stubgen-drf.py
index 56d07dcac..1e00bc5f5 100644
--- a/scripts/stubgen-drf.py
+++ b/scripts/stubgen-drf.py
@@ -3,7 +3,7 @@
 
 from mypy.stubgen import generate_stubs, parse_options
 
-from scripts.git_helpers import checkout_target_tag
+from scripts.git_helpers import git_checkout_drf
 from scripts.paths import DRF_SOURCE_DIRECTORY
 
 if __name__ == "__main__":
@@ -12,6 +12,6 @@
     args = parser.parse_args()
     if DRF_SOURCE_DIRECTORY.exists():
         shutil.rmtree(DRF_SOURCE_DIRECTORY)
-    checkout_target_tag(args.drf_version)
+    git_checkout_drf(args.drf_version)
     stubgen_options = parse_options([f"{DRF_SOURCE_DIRECTORY}", "-o=stubgen"])
     generate_stubs(stubgen_options)
diff --git a/scripts/typecheck_tests.py b/scripts/typecheck_tests.py
index f23782d58..6a6484e9f 100644
--- a/scripts/typecheck_tests.py
+++ b/scripts/typecheck_tests.py
@@ -7,9 +7,13 @@
 from distutils import dir_util, spawn
 from typing import Dict, List, Pattern, Union
 
-from scripts.git_helpers import checkout_target_tag
+from scripts.git_helpers import git_checkout_drf
 from scripts.paths import DRF_SOURCE_DIRECTORY, PROJECT_DIRECTORY, STUBS_DIRECTORY
 
+# django-rest-framework commit hash to check against (ignored with --drf_version)
+# This should be updated periodically or after every DRF release.
+DRF_GIT_REF = "22d206c1e0dbc03840c4d190f7eda537c0f2010a"
+
 IGNORED_MODULES = []
 MOCK_OBJECTS = [
     "MockQueryset",
@@ -284,7 +288,7 @@ def update(self, op_code, cur_count, max_count=None, message=""):
     parser = ArgumentParser()
     parser.add_argument("--drf_version", required=False)
     args = parser.parse_args()
-    checkout_target_tag(args.drf_version)
+    git_checkout_drf(args.drf_version or DRF_GIT_REF)
     if sys.version_info[1] > 7:
         shutil.copytree(STUBS_DIRECTORY, DRF_SOURCE_DIRECTORY / "rest_framework", dirs_exist_ok=True)
     else: