diff --git a/pyproject.toml b/pyproject.toml
index ce4761d7..e019f402 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "build>=0.9",
-    "ruff>0.0.215,<0.6.6",
+    "ruff>0.0.215,<0.6.7",
     "tox>=4.16.0,<4.21",
     "twine>=4.0",
 ]
@@ -51,7 +51,7 @@ tests = [
     "pytest>=6.2,<8.4",  # test framework
     "pytest-console-scripts>=1.1,<1.5",  # Allow automatic testing of scripts
     "pytest-cov>=2.10,<5.1",  # Pytest plugin for working with coverage
-    "ruff>0.0.215,<0.6.6",
+    "ruff>0.0.215,<0.6.7",
     "tox>=4.16.0,<4.21",  # Python test environment manager
     "tqdm >= 4.63,< 4.67",
     "requests_mock",  # used by remote_zip tests