diff --git a/pyproject.toml b/pyproject.toml
index 0c10c5e..6ed2639 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ classifiers = [
 ]
 requires-python = ">=3.9,<3.13" # the main constraint for supported Python versions is the multiprocess library
 dependencies = [
-    "urllib3<2",
+    "urllib3<3",
     "multiprocess~=0.70.15",
     "requests>=2.31,<2.33",
     "PyYAML~=6.0",