diff --git a/doc/source/changelog/891.dependencies.md b/doc/source/changelog/891.dependencies.md
new file mode 100644
index 0000000000..c5bdd96eea
--- /dev/null
+++ b/doc/source/changelog/891.dependencies.md
@@ -0,0 +1 @@
+Bump pytest from 8.4.2 to 9.0.0 in the tests group
diff --git a/pyproject.toml b/pyproject.toml
index af2472cbf0..add2d50611 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -95,7 +95,7 @@ vulnerabilities = [
 tests = [
   "numpy==2.2.6",
   "parameterized==0.9.0",
-  "pytest==8.4.2",
+  "pytest==9.0.0",
   "pytest-cov==7.0.0",
   "pytest-mpl==0.17.0",
   "pytz==2025.2",