diff --git a/.github/workflows/build-lint-test.yml b/.github/workflows/build-lint-test.yml
index 39693e00..b120a332 100644
--- a/.github/workflows/build-lint-test.yml
+++ b/.github/workflows/build-lint-test.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout and setup environment
-        uses: MetaMask/action-checkout-and-setup@v1
+        uses: MetaMask/action-checkout-and-setup@392abd40aa6a0600a3c0ef4af75851662587e6ec # v1.4.0
         with:
           is-high-risk-environment: false
           skip-allow-scripts: true
@@ -22,7 +22,7 @@ jobs:
       - prepare
     steps:
       - name: Checkout and setup environment
-        uses: MetaMask/action-checkout-and-setup@v1
+        uses: MetaMask/action-checkout-and-setup@392abd40aa6a0600a3c0ef4af75851662587e6ec # v1.4.0
         with:
           is-high-risk-environment: false
           skip-allow-scripts: true
@@ -42,7 +42,7 @@ jobs:
       - prepare
     steps:
       - name: Checkout and setup environment
-        uses: MetaMask/action-checkout-and-setup@v1
+        uses: MetaMask/action-checkout-and-setup@392abd40aa6a0600a3c0ef4af75851662587e6ec # v1.4.0
         with:
           is-high-risk-environment: false
           skip-allow-scripts: true
@@ -71,7 +71,7 @@ jobs:
         node-version: [18.x, 20.x]
     steps:
       - name: Checkout and setup environment
-        uses: MetaMask/action-checkout-and-setup@v1
+        uses: MetaMask/action-checkout-and-setup@392abd40aa6a0600a3c0ef4af75851662587e6ec # v1.4.0
         with:
           is-high-risk-environment: false
           skip-allow-scripts: true
@@ -95,7 +95,7 @@ jobs:
         node-version: [18.x, 20.x]
     steps:
       - name: Checkout and setup environment
-        uses: MetaMask/action-checkout-and-setup@v1
+        uses: MetaMask/action-checkout-and-setup@392abd40aa6a0600a3c0ef4af75851662587e6ec # v1.4.0
         with:
           is-high-risk-environment: false
           skip-allow-scripts: true
diff --git a/.github/workflows/create-release-pr.yml b/.github/workflows/create-release-pr.yml
index 8988f386..87ce97df 100644
--- a/.github/workflows/create-release-pr.yml
+++ b/.github/workflows/create-release-pr.yml
@@ -21,7 +21,7 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           # This is to guarantee that the most recent tag is fetched.
           # This can be configured to a more reasonable value by consumers.
@@ -30,10 +30,10 @@ jobs:
           # branch for all git operations and the release PR.
           ref: ${{ github.event.inputs.base-branch }}
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@3235b876344d2a9aa001b8d1453c930bba69e610 # v3.9.1
         with:
           node-version-file: '.nvmrc'
-      - uses: MetaMask/action-create-release-pr@v3
+      - uses: MetaMask/action-create-release-pr@c72286592865d9ba0480adc6069c5f0e624f381b # v3.0.1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8fa96e69..d52e484c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,7 +10,7 @@ jobs:
     name: Check workflows
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
       - name: Download actionlint
         id: download-actionlint
         run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/7fdc9630cc360ea1a469eed64ac6d78caeda1234/scripts/download-actionlint.bash) 1.6.23
@@ -61,7 +61,7 @@ jobs:
       IS_RELEASE: ${{ steps.is-release.outputs.IS_RELEASE }}
     runs-on: ubuntu-latest
     steps:
-      - uses: MetaMask/action-is-release@v1
+      - uses: MetaMask/action-is-release@ae1ebc864afddef847279b999952c7b8fbe21005 # v1.1.0
         id: is-release
 
   publish-release:
diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index de544710..e178bf91 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -22,9 +22,9 @@ jobs:
         if: ${{ inputs.destination_dir == '' }}
         run: exit 1
       - name: Checkout the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
       - name: Use Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@3235b876344d2a9aa001b8d1453c930bba69e610 # v3.9.1
         with:
           node-version-file: '.nvmrc'
           cache: 'yarn'
diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index 3378dc53..58cf6c97 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -16,21 +16,21 @@ jobs:
       contents: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           ref: ${{ github.sha }}
       - name: Setup Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@3235b876344d2a9aa001b8d1453c930bba69e610 # v3.9.1
         with:
           node-version-file: '.nvmrc'
-      - uses: MetaMask/action-publish-release@v3
+      - uses: MetaMask/action-publish-release@f01f1be110d60fb07d86c880ce3d6bdb353524d3 # v3.3.1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Install
         run: |
           yarn install
           yarn build
-      - uses: actions/cache@v3
+      - uses: actions/cache@6f8efc29b200d32929f49075959781ed54ec270c # v3.5.0
         id: restore-build
         with:
           path: |
@@ -42,10 +42,10 @@ jobs:
     runs-on: ubuntu-latest
     needs: publish-release
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           ref: ${{ github.sha }}
-      - uses: actions/cache@v3
+      - uses: actions/cache@6f8efc29b200d32929f49075959781ed54ec270c # v3.5.0
         id: restore-build
         with:
           path: |
@@ -54,7 +54,7 @@ jobs:
           key: ${{ github.sha }}
       - name: Dry Run Publish
         # omit npm-token token to perform dry run publish
-        uses: MetaMask/action-npm-publish@v4
+        uses: MetaMask/action-npm-publish@a529abf2eee6e716da102b53b9b245136439dff2 # v4.0.5
         with:
           slack-webhook-url: ${{ secrets.SLACK_WEBHOOK_URL }}
           subteam: S042S7RE4AE # @metamask-npm-publishers
@@ -66,10 +66,10 @@ jobs:
     runs-on: ubuntu-latest
     needs: publish-npm-dry-run
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           ref: ${{ github.sha }}
-      - uses: actions/cache@v3
+      - uses: actions/cache@6f8efc29b200d32929f49075959781ed54ec270c # v3.5.0
         id: restore-build
         with:
           path: |
@@ -77,7 +77,7 @@ jobs:
             ./node_modules/.yarn-state.yml
           key: ${{ github.sha }}
       - name: Publish
-        uses: MetaMask/action-npm-publish@v2
+        uses: MetaMask/action-npm-publish@9449c49fbcb8b5c487dbbc3f6e6171b75a0c6286 # v2.1.1
         with:
           # This `NPM_TOKEN` needs to be manually set per-repository.
           # Look in the repository settings under "Environments", and set this token in the `npm-publish` environment.
@@ -91,7 +91,7 @@ jobs:
     outputs:
       RELEASE_VERSION: ${{ steps.get-release-version.outputs.RELEASE_VERSION }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
         with:
           ref: ${{ github.sha }}
       - id: get-release-version
diff --git a/.github/workflows/security-code-scanner.yml b/.github/workflows/security-code-scanner.yml
index 9a32836b..3c1cfb37 100644
--- a/.github/workflows/security-code-scanner.yml
+++ b/.github/workflows/security-code-scanner.yml
@@ -18,7 +18,7 @@ jobs:
       security-events: write
     steps:
       - name: MetaMask Security Code Scanner
-        uses: MetaMask/action-security-code-scanner@v1
+        uses: MetaMask/action-security-code-scanner@234d72bd10c689bdf09a58bcc96b367fb00f9ee8 # v1.1.0
         with:
           repo: ${{ github.repository }}
           paths_ignored: |