diff --git a/pyproject.toml b/pyproject.toml
index 8bf882e..8ded07b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=7.0,<8.0",
+    "pytest>=7.0,<10.0",
     "pytest-cov>=4.0,<5.0",
     "black>=23.0,<24.0",
     "ruff>=0.1,<1.0",
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2a17356..c5f6e36 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@
 -r requirements.txt
 
 # Testing
-pytest>=7.0,<8.0
+pytest>=7.0,<10.0
 pytest-cov>=4.0,<5.0
 
 # Code formatting