diff --git a/pact-python-cli/pyproject.toml b/pact-python-cli/pyproject.toml
index b676876f7..8789ea6e5 100644
--- a/pact-python-cli/pyproject.toml
+++ b/pact-python-cli/pyproject.toml
@@ -54,7 +54,7 @@ requires-python = ">=3.10"
 [dependency-groups]
 # Linting and formatting tools use a more narrow specification to ensure
 # developper consistency. All other dependencies are as above.
-dev = ["ruff==0.15.17", { include-group = "test" }, { include-group = "types" }]
+dev = ["ruff==0.15.18", { include-group = "test" }, { include-group = "types" }]
 test = ["pytest~=9.0", "pytest-cov~=7.0"]
 types = ["mypy==2.1.0"]
 
diff --git a/pact-python-ffi/pyproject.toml b/pact-python-ffi/pyproject.toml
index e422e5c21..cf26c9be0 100644
--- a/pact-python-ffi/pyproject.toml
+++ b/pact-python-ffi/pyproject.toml
@@ -41,7 +41,7 @@ dependencies = ["cffi~=2.0"]
   "Repository" = "https://github.com/pact-foundation/pact-python"
 
 [dependency-groups]
-dev = ["ruff==0.15.17", { include-group = "test" }, { include-group = "types" }]
+dev = ["ruff==0.15.18", { include-group = "test" }, { include-group = "types" }]
 test = ["pytest~=9.0", "pytest-cov~=7.0"]
 types = ["mypy==2.1.0", "typing-extensions~=4.0"]
 
diff --git a/pyproject.toml b/pyproject.toml
index d381025d1..17d5e2d15 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,7 +73,7 @@ dependencies = [
 # Linting and formatting tools use a more narrow specification to ensure
 # developper consistency. All other dependencies are as above.
 dev = [
-  "ruff==0.15.17",
+  "ruff==0.15.18",
   { include-group = "docs" },
   { include-group = "example" },
   { include-group = "example-v2" },