diff --git a/pyproject.toml b/pyproject.toml
index a11b8879..0782a582 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,14 +51,13 @@ extras = [
     "click",
 ]
 dev = [
-    # testing
-    "urllib3==2.2.3",
     # tests
     "pytest",
     "pytest-cov",
     "pytest-vcr",
     "vcrpy",
     "pyyaml",
+    "urllib3<2.3.0",  # TODO pending resolution of issue #472
     # style
     "pre-commit>=4.0.1",
     "pylint",