diff --git a/engine/pyproject.toml b/engine/pyproject.toml
index 3246e59..16a588a 100644
--- a/engine/pyproject.toml
+++ b/engine/pyproject.toml
@@ -29,7 +29,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-  "cryptography>=42",
+  "cryptography>=48.0.0",
 ]
 
 [project.urls]
@@ -59,17 +59,17 @@ zero-journal-proof = "zero_engine.journal_proof_pack:main"
 
 [project.optional-dependencies]
 dev = [
-  "build>=1.2",
-  "hypothesis>=6.100",
-  "pytest>=8.0",
-  "ruff>=0.8",
+  "build>=1.5.0",
+  "hypothesis>=6.152.9",
+  "pytest>=9.0.3",
+  "ruff>=0.15.14",
 ]
 live = [
   "hyperliquid-python-sdk>=0.23,<1",
 ]
 
 [build-system]
-requires = ["setuptools>=69"]
+requires = ["setuptools>=82.0.1"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools.packages.find]