diff --git a/.github/workflows/neovim.yml b/.github/workflows/neovim.yml
index 0f65875f..bb98b6f5 100644
--- a/.github/workflows/neovim.yml
+++ b/.github/workflows/neovim.yml
@@ -20,13 +20,17 @@ jobs:
             "v0.8.2",
             "v0.8.3",
             "v0.9.0",
+            "v0.9.1",
+            "v0.9.2",
+            "v0.9.4",
+            "v0.9.5",
             "stable",
             "nightly",
           ]
     name: Ubuntu nvim-${{ matrix.neovim_tag }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Neovim
         uses: MunifTanjim/setup-neovim-action@v1
         with:
@@ -40,7 +44,7 @@ jobs:
     name: Macos nvim-nightly
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Neovim
         run: |
           wget -q https://github.com/neovim/neovim/releases/download/nightly/nvim-macos.tar.gz
@@ -55,7 +59,7 @@ jobs:
     name: Windows nvim-nightly
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Neovim
         run: |
           C:\msys64\usr\bin\wget.exe -q https://github.com/neovim/neovim/releases/download/nightly/nvim-win64.zip
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 4bcb1f26..da1fe1c6 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -6,8 +6,8 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v18
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - run: nix-shell -p stylua --run "stylua -f stylua.toml --check ."
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6c2210c1..a64fd6bb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,12 +20,16 @@ jobs:
             "v0.8.2",
             "v0.8.3",
             "v0.9.0",
+            "v0.9.1",
+            "v0.9.2",
+            "v0.9.4",
+            "v0.9.5",
             "stable",
             "nightly",
           ]
     name: Tests nvim-${{ matrix.neovim_tag }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Neovim
         uses: MunifTanjim/setup-neovim-action@v1
diff --git a/.github/workflows/update-color-primitives.yml b/.github/workflows/update-color-primitives.yml
index 78ae24ec..f63831d5 100644
--- a/.github/workflows/update-color-primitives.yml
+++ b/.github/workflows/update-color-primitives.yml
@@ -1,16 +1,16 @@
 name: Get/Update Primer Color Primitives
 
 env:
-  _DEST_DIR: '${{ github.workspace }}/lua/github-theme/palette/primitives'
-  _JSON_DIR: '${{ github.workspace }}/node_modules/@primer/primitives/dist/json/colors'
-  _LICENSE_GLOB: '${{ github.workspace }}/node_modules/@primer/primitives/[Ll][Ii][Cc][Ee][Nn][Ss][Ee]*'
-  _PRIMITIVES_PKGJSON: '${{ github.workspace }}/node_modules/@primer/primitives/package.json'
+  _DEST_DIR: "${{ github.workspace }}/lua/github-theme/palette/primitives"
+  _JSON_DIR: "${{ github.workspace }}/node_modules/@primer/primitives/dist/json/colors"
+  _LICENSE_GLOB: "${{ github.workspace }}/node_modules/@primer/primitives/[Ll][Ii][Cc][Ee][Nn][Ss][Ee]*"
+  _PRIMITIVES_PKGJSON: "${{ github.workspace }}/node_modules/@primer/primitives/package.json"
 
 on:
   workflow_dispatch:
   schedule:
     # 3x per week (every other day) at 12:40pm Pacific Time
-    - cron: '40 19 * * 1,3,5'
+    - cron: "40 19 * * 1,3,5"
 
 jobs:
   get-colors:
@@ -24,11 +24,11 @@ jobs:
       statuses: write
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: 'lts/*'
+          node-version: "lts/*"
           check-latest: true
 
       - run: npm i @primer/primitives@latest
@@ -56,13 +56,13 @@ jobs:
           EOF
           done
 
-      - uses: JohnnyMorganz/stylua-action@v3
+      - uses: JohnnyMorganz/stylua-action@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           version: latest
           args: -f stylua.toml --verify -- ${{ env._DEST_DIR }}
 
-      - uses: peter-evans/create-pull-request@v5
+      - uses: peter-evans/create-pull-request@v6
         with:
           commit-message: Update color primitives
           branch: update-color-primitives
diff --git a/CHANGELOG.md b/CHANGELOG.md
index da7823df..56127c15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,7 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changes
 
--
+-   chore(ci): use `actions/checkout@v4`
 
 ### Issues Fix