diff --git a/requirements.dev.txt b/requirements.dev.txt
index d25035f..bfb0daf 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -12,7 +12,7 @@ pyright==1.1.411
 pytest==9.1.1
 quimb==1.14.0
 ruff==0.15.22
-setuptools==83.0.0
+setuptools==84.0.0
 tensorkrowch==1.1.6
 tensornetwork==0.4.6
 twine==7.0.0
diff --git a/tests/test_engineering_baseline.py b/tests/test_engineering_baseline.py
index 08bd7f2..f0de18a 100644
--- a/tests/test_engineering_baseline.py
+++ b/tests/test_engineering_baseline.py
@@ -156,7 +156,7 @@ def test_dev_requirements_pin_verification_tools_and_use_editable_install() -> N
         "pytest==9.1.1",
         "quimb==1.14.0",
         "ruff==0.15.22",
-        "setuptools==83.0.0",
+        "setuptools==84.0.0",
         "tensorkrowch==1.1.6",
         "tensornetwork==0.4.6",
         "twine==7.0.0",