diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9c48896..c7f7629 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -13,20 +13,20 @@
     -   id: requirements-txt-fixer
     -   id: flake8
 -   repo: https://github.com/pre-commit/pre-commit
-    sha: v0.15.0
+    sha: v0.15.2
     hooks:
     -   id: validate_config
     -   id: validate_manifest
 -   repo: https://github.com/asottile/reorder_python_imports
-    sha: v0.3.1
+    sha: v0.3.5
     hooks:
     -   id: reorder-python-imports
         language_version: python2.7
 -   repo: https://github.com/asottile/pyupgrade
-    sha: v1.1.2
+    sha: v1.1.3
     hooks:
     -   id: pyupgrade
 -   repo: https://github.com/asottile/add-trailing-comma
-    sha: v0.4.1
+    sha: v0.5.1
     hooks:
     -   id: add-trailing-comma
diff --git a/tests/detect_aws_credentials_test.py b/tests/detect_aws_credentials_test.py
index 978e9b0..954f3d8 100644
--- a/tests/detect_aws_credentials_test.py
+++ b/tests/detect_aws_credentials_test.py
@@ -23,14 +23,14 @@ from testing.util import get_resource_path
                 'AWS_DUMMY_KEY': '/foo', 'AWS_CONFIG_FILE': '/bar',
                 'AWS_CREDENTIAL_FILE': '/baz',
             },
-            {'/bar', '/baz'}
+            {'/bar', '/baz'},
         ),
         (
             {
                 'AWS_CONFIG_FILE': '/foo', 'AWS_CREDENTIAL_FILE': '/bar',
                 'AWS_SHARED_CREDENTIALS_FILE': '/baz',
             },
-            {'/foo', '/bar', '/baz'}
+            {'/foo', '/bar', '/baz'},
         ),
     ),
 )