diff --git a/pyproject.toml b/pyproject.toml
index bde7237..7e9b793 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,9 +31,9 @@ my-mcp-server = "my_mcp_server.server:main"
 [project.optional-dependencies]
 # Major-bounded so a breaking ruff/mypy/pytest release can't turn CI red overnight.
 dev = [
-    "pytest>=8,<10",
-    "pytest-asyncio>=1,<2",
-    "pytest-cov>=6,<8",
+    "pytest>=9.0.3,<10",
+    "pytest-asyncio>=1.3.0,<2",
+    "pytest-cov>=7.1.0,<8",
     "ruff>=0.15,<1",
     "mypy>=2,<3",
 ]