diff --git a/.github/workflows/build-android.yml b/.github/workflows/build-android.yml
index c2c8df63..e1308bad 100644
--- a/.github/workflows/build-android.yml
+++ b/.github/workflows/build-android.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout code
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
           show-progress: false
@@ -28,19 +28,19 @@ jobs:
           fetch-depth: 0
 
       - name: 🍞 Setup Bun
-        uses: oven-sh/setup-bun@v2.0.2
+        uses: oven-sh/setup-bun@735343b667d3e6f658f44d0eca948eb6282f2b76 # v2.0.2
         with:
           # @todo: update to 1.x once this is fixed: https://github.com/streamyfin/streamyfin/pull/690#discussion_r2089749689
           bun-version: '1.2.13'
 
       - name: ☕ Setup JDK
-        uses: actions/setup-java@v4.7.1
+        uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
         with:
           distribution: 'zulu'
           java-version: '17'
 
       - name: 💾 Cache Bun dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4
         with:
           path: ~/.bun/install/cache
           key: ${{ runner.os }}-bun-cache-${{ hashFiles('bun.lock') }}
@@ -53,7 +53,7 @@ jobs:
           bun run submodule-reload
 
       - name: 💾 Cache Android dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4
         with:
           path: |
             android/.gradle
@@ -71,7 +71,7 @@ jobs:
         run: echo "DATE_TAG=$(date +%d-%m-%Y_%H-%M-%S)" >> $GITHUB_ENV
 
       - name: 📤 Upload APK artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: streamyfin-apk-${{ github.sha }}-${{ env.DATE_TAG }}
           path: |
diff --git a/.github/workflows/build-ios.yml b/.github/workflows/build-ios.yml
index f5d00a25..4b023b76 100644
--- a/.github/workflows/build-ios.yml
+++ b/.github/workflows/build-ios.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: 📥 Check out repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
           show-progress: false
@@ -26,13 +26,13 @@ jobs:
           fetch-depth: 0
 
       - name: 🍞 Setup Bun
-        uses: oven-sh/setup-bun@v2.0.2
+        uses: oven-sh/setup-bun@735343b667d3e6f658f44d0eca948eb6282f2b76 # v2.0.2
         with:
           # @todo: update to 1.x once this is fixed: https://github.com/streamyfin/streamyfin/pull/690#discussion_r2089749689
           bun-version: '1.2.13'
 
       - name: 💾 Cache Bun dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4
         with:
           path: ~/.bun/install/cache
           key: ${{ runner.os }}-bun-cache-${{ hashFiles('bun.lock') }}
@@ -45,7 +45,7 @@ jobs:
           npx expo prebuild
 
       - name: 🏗️ Build iOS app
-        uses: sparkfabrik/ios-build-action@v2.3.2
+        uses: sparkfabrik/ios-build-action@be021d9f600b104d199a500db7ba479149a6b257 # v2.3.2
         with:
           upload-to-testflight: false
           increment-build-number: false
@@ -78,7 +78,7 @@ jobs:
         run: echo "DATE_TAG=$(date +%d-%m-%Y_%H-%M-%S)" >> $GITHUB_ENV
 
       - name: 📤 Upload IPA artifact
-        uses: actions/upload-artifact@v4.6.2
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: streamyfin-ipa-${{ github.sha }}-${{ env.DATE_TAG }}
           path: build-*.ipa
diff --git a/.github/workflows/check-lockfile.yml b/.github/workflows/check-lockfile.yml
index 4af3a94d..4332a14b 100644
--- a/.github/workflows/check-lockfile.yml
+++ b/.github/workflows/check-lockfile.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
           show-progress: false
@@ -27,13 +27,13 @@ jobs:
           fetch-depth: 0
 
       - name: 🍞 Setup Bun
-        uses: oven-sh/setup-bun@v2.0.2
+        uses: oven-sh/setup-bun@735343b667d3e6f658f44d0eca948eb6282f2b76 # v2.0.2
         # @todo: update to 1.x once this is fixed: https://github.com/streamyfin/streamyfin/pull/690#discussion_r2089749689
         with:
           bun-version: '1.2.13'
 
       - name: 💾 Cache Bun dependencies
-        uses: actions/cache@v4.2.3
+        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
           path: |
             ~/.bun/install/cache
diff --git a/.github/workflows/check_spelling.yaml b/.github/workflows/check_spelling.yaml
index 1c174500..e6cbea66 100644
--- a/.github/workflows/check_spelling.yaml
+++ b/.github/workflows/check_spelling.yaml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: 📥 Checkout repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
           show-progress: false
diff --git a/.github/workflows/ci-codeql.yml b/.github/workflows/ci-codeql.yml
index ebf9ead1..b7abf8c7 100644
--- a/.github/workflows/ci-codeql.yml
+++ b/.github/workflows/ci-codeql.yml
@@ -24,20 +24,20 @@ jobs:
 
     steps:
       - name: 📥 Checkout repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
           show-progress: false
           fetch-depth: 0
 
       - name: 🏁 Initialize CodeQL
-        uses: github/codeql-action/init@v3.28.17
+        uses: github/codeql-action/init@60168efe1c415ce0f5521ea06d5c2062adbeed1b # v3.28.17
         with:
           languages: ${{ matrix.language }}
           queries: +security-extended,security-and-quality
 
       - name: 🛠️ Autobuild
-        uses: github/codeql-action/autobuild@v3.28.17
+        uses: github/codeql-action/autobuild@60168efe1c415ce0f5521ea06d5c2062adbeed1b # v3.28.17
 
       - name: 🧪 Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3.28.1
+        uses: github/codeql-action/analyze@b6a472f63d85b9c78a3ac5e89422239fc15e9b3c # v3.28.1
diff --git a/.github/workflows/conflict.yml b/.github/workflows/conflict.yml
index 2699ccb7..6bc62e73 100644
--- a/.github/workflows/conflict.yml
+++ b/.github/workflows/conflict.yml
@@ -17,7 +17,7 @@ jobs:
       pull-requests: write
     steps:
       - name: 🚩 Apply merge conflict label
-        uses: eps1lon/actions-label-merge-conflict@v3.0.3
+        uses: eps1lon/actions-label-merge-conflict@1df065ebe6e3310545d4f4c4e862e43bdca146f0 # v3.0.3
         with:
           dirtyLabel: 'merge-conflict'
           commentOnDirty: 'This pull request has merge conflicts. Please resolve the conflicts so the PR can be successfully reviewed and merged.'
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 411e4bbc..bd4b76a8 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -17,12 +17,12 @@ jobs:
       pull-requests: write
       contents: read
     steps:
-      - uses: amannn/action-semantic-pull-request@v5.5.3
+      - uses: amannn/action-semantic-pull-request@0723387faaf9b38adef4775cd42cfd5155ed6017 # v5.5.3
         id: lint_pr_title
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: marocchino/sticky-pull-request-comment@v2.9.2
+      - uses: marocchino/sticky-pull-request-comment@67d0dec7b07ed060a405f9b2a64b8ab319fdd7db # v2.9.2
         if: always() && (steps.lint_pr_title.outputs.error_message != null)
         with:
           header: pr-title-lint-error
@@ -36,7 +36,7 @@ jobs:
             ```
 
       - if: ${{ steps.lint_pr_title.outputs.error_message == null }}
-        uses: marocchino/sticky-pull-request-comment@v2.9.2
+        uses: marocchino/sticky-pull-request-comment@67d0dec7b07ed060a405f9b2a64b8ab319fdd7db # v2.9.2
         with:
           header: pr-title-lint-error
           delete: true
@@ -48,13 +48,13 @@ jobs:
       contents: read
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
 
       - name: Dependency Review
-        uses: actions/dependency-review-action@v4.7.1
+        uses: actions/dependency-review-action@da24556b548a50705dd671f47852072ea4c105d9 # v4.7.1
         with:
           fail-on-severity: high
           deny-licenses: GPL-3.0, AGPL-3.0
@@ -72,19 +72,19 @@ jobs:
           - "check"
     steps:
       - name: "📥 Checkout PR code"
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           submodules: recursive
           fetch-depth: 0
 
       - name: "🟢 Setup Node.js"
-        uses: actions/setup-node@v4.4.0
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: '20.x'
 
       - name: "🍞 Setup Bun"
-        uses: oven-sh/setup-bun@v2.0.2
+        uses: oven-sh/setup-bun@735343b667d3e6f658f44d0eca948eb6282f2b76 # v2.0.2
         with:
           # @todo: update to 1.x once this is fixed: https://github.com/streamyfin/streamyfin/pull/690#discussion_r2089749689
           bun-version: '1.2.13'
diff --git a/.github/workflows/notification.yml b/.github/workflows/notification.yml
index 2b882073..86e92ab8 100644
--- a/.github/workflows/notification.yml
+++ b/.github/workflows/notification.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: 🛎️ Notify Discord
-        uses: Ilshidur/action-discord@0.3.2
+        uses: Ilshidur/action-discord@0c4b27844ba47cb1c7bee539c8eead5284ce9fa9 # 0.3.2
         env:
           DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK_URL }}
           DISCORD_AVATAR: https://avatars.githubusercontent.com/u/193271640
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index ec7177cd..fe0c2526 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: 🔄 Mark/Close Stale Issues
-        uses: actions/stale@v9.1.0
+        uses: actions/stale@5bef64f19d7facfb25b37b414482c7164d639639 # v9.1.0
         with:
           # Global settings
           repo-token: ${{ secrets.GITHUB_TOKEN }}