diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4761dd05..75e0c127 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -5,25 +5,22 @@ repos:
     - id: check-merge-conflict
     - id: trailing-whitespace
 - repo: https://github.com/python/black
-  # refrain from using 19.10b0 or later until
-  #   https://github.com/psf/black/issues/1288
-  # is fixed
-  rev: 19.3b0
+  rev: 20.8b1
   hooks:
     - id: black
       name: "Autoformat python files"
       types: [python]
       language_version: python3
 - repo: https://gitlab.com/pycqa/flake8
-  rev: 3.8.3
+  rev: 3.8.4
   hooks:
     - id: flake8
       name: "Lint python files"
       types: [python]
       language_version: python3
-      additional_dependencies: ['flake8-bugbear==20.1.4']
+      additional_dependencies: ['flake8-bugbear==20.11.1']
 - repo: https://github.com/timothycrosley/isort
-  rev: 5.1.4
+  rev: 5.6.4
   hooks:
     - id: isort
       name: "Sort python imports"
diff --git a/setup.py b/setup.py
index c36c54b7..693d8de5 100644
--- a/setup.py
+++ b/setup.py
@@ -49,14 +49,10 @@
             "tox>=3.5.3,<4.0",
             # linting
             "flake8>=3.0,<4.0",
-            'isort>=5.1.4,<6.0;python_version>="3.6"',
-            # black requires py3.6+
-            # refrain from using 19.10b0 or later until
-            #   https://github.com/psf/black/issues/1288
-            # is fixed
-            'black==19.3b0;python_version>="3.6"',
+            'isort>=5.6.4,<6.0;python_version>="3.6"',
+            'black==20.8b1;python_version>="3.6"',
             # flake-bugbear requires py3.6+
-            'flake8-bugbear==20.1.4;python_version>="3.6"',
+            'flake8-bugbear==20.11.1;python_version>="3.6"',
             # testing
             "pytest<5.0",
             "pytest-cov<3.0",