diff --git a/setup.py b/setup.py
index 7a49061d..421dc630 100644
--- a/setup.py
+++ b/setup.py
@@ -55,6 +55,9 @@ def run_tests(self):
     "urllib3 <2; python_version <'3.10'",
     # https://github.com/kevin1024/vcrpy/pull/775#issuecomment-1847849962
     "urllib3 <2; platform_python_implementation =='PyPy'",
+    # Workaround for Poetry with CPython >= 3.10, problem description at:
+    # https://github.com/kevin1024/vcrpy/pull/826
+    "urllib3; platform_python_implementation !='PyPy' and python_version >='3.10'",
 ]
 
 extras_require = {