diff --git a/pyproject.toml b/pyproject.toml
index d712195..413c231 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "pytest==8.3.5",
+    "pytest==9.1.1",
     "flake8==7.3.0",
     "black==26.3.1",
     "isort==5.13.2",
diff --git a/requirements.txt b/requirements.txt
index 9ecc75c..08df805 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ rich==15.0.0
 tiktoken==0.13.0
 PyYAML==6.0.3
 gitpython==3.1.50
-pytest==8.3.4
+pytest==9.1.1
 textual>=7.5.0
 networkx==3.6.1
 transitions==0.9.3