diff --git a/requirements/test.txt b/requirements/test.txt
index 8c2dc20da71..2605e547788 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -5,7 +5,7 @@ cryptography==36.0.1; platform_machine!="i686" # no 32-bit wheels; no python 3.9
 freezegun==1.1.0
 mypy==0.931; implementation_name=="cpython"
 mypy-extensions==0.4.3; implementation_name=="cpython"
-proxy.py ~= 2.4.0rc6
+proxy.py ~= 2.4.3
 pytest==6.2.5
 pytest-cov==3.0.0
 pytest-mock==3.6.1