diff --git a/pyproject.toml b/pyproject.toml
index 2deebd8..3bace20 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dev = [
     # Security
     "bandit[toml]>=1.8.0",
     # Testing
-    "pytest>=8.4.1",
+    "pytest>=9.0.3",
     "pytest-cov>=6.2.0",
     "pytest-xdist>=3.5.0",  # Parallel test execution
     "pytest-randomly>=3.16.0",  # Randomize test order
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5686d34..bc6592b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -13,7 +13,7 @@ bandit[toml]>=1.8.0
 pip-audit>=2.7.0
 
 # Testing
-pytest>=8.4.1
+pytest>=9.0.3
 pytest-cov>=6.2.0
 pytest-xdist>=3.5.0
 pytest-randomly>=3.16.0