diff --git a/pyproject.toml b/pyproject.toml
index de0bc26..bc09d2c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
 
 [project.optional-dependencies]
 tests = [
-    "pytest>=7.1,<8",
+    "pytest>=7.1,<9",
     "pytest-cov",
     "pytest-mock",
     "coverage",