diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 373c9776c..69d0c61b2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,18 +10,18 @@ on:
 jobs:
   test:
     name: Tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-large
     strategy:
       matrix:
         node_version: [14.18]
     steps:
-      - uses: actions/checkout@master
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@61b9e3751b92087fd0b06925ba6dd6314e06f089  # master
+      - uses: actions/setup-node@f1f314fca9dfce2769ece7d933488f076716723e  # v1
         with:
           node-version: ${{ matrix.node_version }}
       - id: yarn-cache-dir-path
         run: echo "::set-output name=dir::$(yarn cache dir)"
-      - uses: actions/cache@v4
+      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830  # v4
         id: yarn-cache
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}