diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 875c71e8..d8f37dde 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -17,10 +17,6 @@ jobs:
           python-version: 3.7
       - name: Install pre-commit hook
         run: |
-          # markdownlint requires ruby >= 2.7
-          sudo apt-add-repository ppa:brightbox/ruby-ng -y
-          sudo apt-get update
-          sudo apt-get install -y ruby2.7
           pip install pre-commit
           pre-commit install
       - name: Linting
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 880c64e5..e89a96c4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -29,12 +29,12 @@ repos:
     hooks:
       - id: codespell
   - repo: https://github.com/executablebooks/mdformat
-    rev: 0.7.14
+    rev: 0.7.9
     hooks:
       - id: mdformat
         args: ["--number"]
         additional_dependencies:
-          - mdformat-gfm
+          - mdformat-openmmlab
           - mdformat_frontmatter
           - linkify-it-py
   - repo: https://github.com/myint/docformatter