diff --git a/pyproject.toml b/pyproject.toml
index 5668e23349..93baf6ed46 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ classifiers = [
 dev = [
   "mypy==2.4.1",
   "pre-commit==4.6.2",
-  "pytest-mock==3.15.1",
+  "pytest-mock==3.17.0",
   "ruff==0.17.3",
   "types-PyYAML==6.0.12.20260906",
   "types-requests==2.33.0.20260906",
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 96ad8e0c36..93d2731c25 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 -r requirements.txt
 mypy==2.4.1
 pre-commit==4.6.2
-pytest-mock==3.15.1
+pytest-mock==3.17.0
 ruff==0.17.3
 types-PyYAML==6.0.12.20260906
 types-requests==2.33.0.20260906