diff --git a/test-requirements.in b/test-requirements.in
index fc94889d91..d95e9dc843 100644
--- a/test-requirements.in
+++ b/test-requirements.in
@@ -23,7 +23,7 @@ pip-tools >= 6.13.0
 # typed_ast is deprecated as of 3.8, and straight up doesn't compile on 3.10-dev as of 2021-12-13
 typed_ast; implementation_name == "cpython" and python_version < "3.8"
 mypy-extensions; implementation_name == "cpython"
-typing-extensions; implementation_name == "cpython"
+typing-extensions < 4.7.0
 
 # Trio's own dependencies
 cffi; os_name == "nt"
diff --git a/test-requirements.txt b/test-requirements.txt
index f96eb2f32a..5cc5cc87f8 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -143,7 +143,7 @@ trustme==1.0.0
     # via -r test-requirements.in
 types-pyopenssl==23.1.0.3 ; implementation_name == "cpython"
     # via -r test-requirements.in
-typing-extensions==4.6.2 ; implementation_name == "cpython"
+typing-extensions==4.6.2
     # via
     #   -r test-requirements.in
     #   astroid