diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b3e7e46..86e9836 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,20 +17,21 @@ env:
 
 jobs:
   check:
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, Linux, X64, tokito-vps, private-build]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
 
       - name: Install native dependencies
+        if: ${{ runner.name != 'playground-linux-x64' }}
         run: |
           sudo apt-get update
           sudo apt-get install -y libxkbcommon-dev libgtk-3-dev
 
-      - uses: dtolnay/rust-toolchain@stable
+      - uses: dtolnay/rust-toolchain@98e1b82157cd469e843cb7f524c1313b4ad9492c # 1.88
         with:
           components: rustfmt, clippy
 
-      - uses: Swatinem/rust-cache@v2
+      - uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
 
       - name: Format
         run: cargo fmt --all -- --check