diff --git a/requirements-dev.in b/requirements-dev.in
index 4a81673..d5562ab 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -1,2 +1,2 @@
-pytest>=8.0
+pytest>=9.1.0
 pytest-cov>=6.0
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 01eb82c..9fd14e4 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,7 +16,7 @@ pluggy==1.6.0
     #   pytest-cov
 pygments==2.20.0
     # via pytest
-pytest==9.0.3
+pytest==9.1.0
     # via
     #   -r requirements-dev.in
     #   pytest-cov