diff --git a/.github/workflows/autofix-versions.env b/.github/workflows/autofix-versions.env
index f84e9f6c6..30b88341b 100644
--- a/.github/workflows/autofix-versions.env
+++ b/.github/workflows/autofix-versions.env
@@ -5,7 +5,7 @@
 # Runtime dependencies (PyYAML, Pydantic, Hypothesis) should be managed via Dependabot
 # in each consumer repo's pyproject.toml directly, NOT synced from this file.
 BLACK_VERSION=26.5.1
-RUFF_VERSION=0.16.3
+RUFF_VERSION=0.16.4
 ISORT_VERSION=8.0.1
 DOCFORMATTER_VERSION=1.7.8
 MYPY_VERSION=2.3.1
diff --git a/pyproject.toml b/pyproject.toml
index 9805e3c4a..5a9886e52 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ app = []
 dev = [
     "pre-commit==4.6.1",
     "black==26.5.1",
-    "ruff==0.16.3",
+    "ruff==0.16.4",
     "isort==8.0.1",
     "docformatter==1.7.8",
     "mypy==2.3.1",
diff --git a/requirements.lock b/requirements.lock
index 1367e5c3e..398391dac 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -298,7 +298,7 @@ rpds-py==2026.6.3
     # via
     #   jsonschema
     #   referencing
-ruff==0.16.3
+ruff==0.16.4
     # via workflows (pyproject.toml)
 six==1.17.0
     # via python-dateutil
diff --git a/templates/consumer-repo/.github/workflows/autofix-versions.env b/templates/consumer-repo/.github/workflows/autofix-versions.env
index f84e9f6c6..30b88341b 100644
--- a/templates/consumer-repo/.github/workflows/autofix-versions.env
+++ b/templates/consumer-repo/.github/workflows/autofix-versions.env
@@ -5,7 +5,7 @@
 # Runtime dependencies (PyYAML, Pydantic, Hypothesis) should be managed via Dependabot
 # in each consumer repo's pyproject.toml directly, NOT synced from this file.
 BLACK_VERSION=26.5.1
-RUFF_VERSION=0.16.3
+RUFF_VERSION=0.16.4
 ISORT_VERSION=8.0.1
 DOCFORMATTER_VERSION=1.7.8
 MYPY_VERSION=2.3.1
diff --git a/templates/integration-repo/.github/workflows/autofix-versions.env b/templates/integration-repo/.github/workflows/autofix-versions.env
index f84e9f6c6..30b88341b 100644
--- a/templates/integration-repo/.github/workflows/autofix-versions.env
+++ b/templates/integration-repo/.github/workflows/autofix-versions.env
@@ -5,7 +5,7 @@
 # Runtime dependencies (PyYAML, Pydantic, Hypothesis) should be managed via Dependabot
 # in each consumer repo's pyproject.toml directly, NOT synced from this file.
 BLACK_VERSION=26.5.1
-RUFF_VERSION=0.16.3
+RUFF_VERSION=0.16.4
 ISORT_VERSION=8.0.1
 DOCFORMATTER_VERSION=1.7.8
 MYPY_VERSION=2.3.1