diff --git a/requirements.txt b/requirements.txt
index e93a7c031..6d081977a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ numpy>=1.15.0
 packaging>=20.0
 # Backports of modern Python features
 dataclasses>=0.6,<1.0; python_version < "3.7"
-typing_extensions>=3.7.4.1,<4.2.0; python_version < "3.8"
+typing_extensions>=3.7.4.1,<4.5.0; python_version < "3.8"
 contextvars>=2.4,<3; python_version < "3.7"
 # Development dependencies
 cython>=0.25.0,<3.0
diff --git a/setup.cfg b/setup.cfg
index b1989caf6..52477183f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -54,7 +54,7 @@ install_requires =
     packaging>=20.0
     # Backports of modern Python features
     dataclasses>=0.6,<1.0; python_version < "3.7"
-    typing_extensions>=3.7.4.1,<4.2.0; python_version < "3.8"
+    typing_extensions>=3.7.4.1,<4.5.0; python_version < "3.8"
     contextvars>=2.4,<3; python_version < "3.7"
     
 [options.entry_points]