diff --git a/pyproject.toml b/pyproject.toml
index c3a2e19..d59c0c3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,8 +56,8 @@ lint.select = [
 
 [dependency-groups]
 dev = [
-    "pytest>=8.0,<9.0",
-    "pytest-cov>=3.0,<4.0",
+    "pytest>=8.0,<10.0",
+    "pytest-cov>=3.0,<8.0",
     "maturin>=1.0,<2.0",
     "ruff>=0.15,<0.16",
     "yfinance>=1.2.0,<2.0",