diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eaa3b4c28..40f9303a5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,18 +15,19 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444  # v5.0.0
         with:
           node-version: lts/*
+        env:
+          SKIP_YARN_COREPACK_CHECK: 1
 
       - name: Get the Yarn cache directory path
         id: yarn-cache-dir-path
-        run: echo "dir=$(corepack yarn config get cacheFolder)" >> $GITHUB_OUTPUT
-        shell: bash
+        run: echo "dir=$(corepack yarn config get cacheFolder)" >> "$GITHUB_OUTPUT"
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830  # v4.3.0
         with:
           path: ${{steps.yarn-cache-dir-path.outputs.dir}}
           key: ${{runner.os}}-yarn-${{hashFiles('**/yarn.lock')}}
@@ -65,19 +66,21 @@ jobs:
     runs-on: ${{matrix.platform}}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
 
       - name: "Use Node.js ${{matrix.node}}.x"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444  # v5.0.0
         with:
           node-version: ${{matrix.node}}.x
+        env:
+          SKIP_YARN_COREPACK_CHECK: 1
 
       - name: Get the Yarn cache directory path
         id: yarn-cache-dir-path
-        run: echo "dir=$(corepack yarn config get cacheFolder)" >> $GITHUB_OUTPUT
-        shell: bash
+        run: echo "dir=$(corepack yarn config get cacheFolder)" >> "$GITHUB_OUTPUT"
+        shell: bash # Needs explicit bash for Windows-support
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830  # v4.3.0
         with:
           path: ${{steps.yarn-cache-dir-path.outputs.dir}}
           key: ${{runner.os}}-yarn-${{hashFiles('**/yarn.lock')}}
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 3f660133d..902a42502 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -20,7 +20,7 @@ jobs:
       release_created:  ${{ steps.release.outputs.release_created }}
       release_tag:  ${{ steps.release.outputs.tag_name }}
     steps:
-      - uses: googleapis/release-please-action@v3
+      - uses: googleapis/release-please-action@db8f2c60ee802b3748b512940dde88eabd7b7e01  # v3.7.13
         id: release
         with:
           release-type: node
@@ -35,18 +35,19 @@ jobs:
       contents: write
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444  # v5.0.0
         with:
           node-version: lts/*
+        env:
+          SKIP_YARN_COREPACK_CHECK: 1
 
       - name: Get the Yarn cache directory path
         id: yarn-cache-dir-path
-        run: echo "dir=$(corepack yarn config get cacheFolder)" >> $GITHUB_OUTPUT
-        shell: bash
+        run: echo "dir=$(corepack yarn config get cacheFolder)" >> "$GITHUB_OUTPUT"
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830  # v4.3.0
         with:
           path: ${{steps.yarn-cache-dir-path.outputs.dir}}
           key: ${{runner.os}}-yarn-${{hashFiles('**/yarn.lock')}}
diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index 2108412bc..005afed17 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -14,12 +14,14 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
 
       - name: Install Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444  # v5.0.0
         with:
           node-version: lts/*
+        env:
+          SKIP_YARN_COREPACK_CHECK: 1
 
       - name: "Update the package manager versions"
         run: |
diff --git a/.github/workflows/update-nock-files.yml b/.github/workflows/update-nock-files.yml
index 86dfc1e62..0fe355755 100644
--- a/.github/workflows/update-nock-files.yml
+++ b/.github/workflows/update-nock-files.yml
@@ -43,21 +43,22 @@ jobs:
           ACTUAL: ${{ fromJson(steps.pr_info.outputs.DATA).head_sha }}
           EXPECTED: ${{ inputs.head_sha }}
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8  # v5.0.0
         with:
           ref: ${{ fromJson(steps.pr_info.outputs.DATA).head_sha }}
 
       - name: Install Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444  # v5.0.0
         with:
           node-version: lts/*
+        env:
+          SKIP_YARN_COREPACK_CHECK: 1
 
       - name: Get the Yarn cache directory path
         id: yarn-cache-dir-path
-        run: echo "dir=$(corepack yarn config get cacheFolder)" >> $GITHUB_OUTPUT
-        shell: bash
+        run: echo "dir=$(corepack yarn config get cacheFolder)" >> "$GITHUB_OUTPUT"
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830  # v4.3.0
         with:
           path: ${{steps.yarn-cache-dir-path.outputs.dir}}
           key: ${{runner.os}}-yarn-${{hashFiles('**/yarn.lock')}}
@@ -101,7 +102,7 @@ jobs:
           REMOTE_REF: ${{ fromJson(steps.pr_info.outputs.DATA).head_ref }}
 
       - name: Upload `tests/nocks.db` in case of failure
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4.6.2
         if: ${{ failure() && steps.contains-changes.outputs.result == 'yes' }}
         with:
           name: nock