diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index 46bbca139..7241b8ca9 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Get Swift version
         id: swift_version
         run: echo "version=$(swift --version | grep '[5-9]\.[0-9]\+\(\.[0-9]\)\?' -o | head -1)" >> "$GITHUB_OUTPUT"
-      - uses: actions/cache@v4
+      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           key: ${{ runner.os }}-spm-${{ steps.swift_version.outputs.version }}-${{ hashFiles('Package.resolved', 'Package.swift') }}
           restore-keys: ${{ runner.os }}-spm-${{ steps.swift_version.outputs.version }}-
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index cfca1e68c..d5a4da1fc 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Get Swift version
         id: swift_version
         run: echo "version=$(swift --version | grep '[5-9]\.[0-9]\+\(\.[0-9]\)\?' -o | head -1)" >> "$GITHUB_OUTPUT"
-      - uses: actions/cache@v4
+      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           key: ${{ runner.os }}-spm-${{ steps.swift_version.outputs.version }}-${{ hashFiles('Package.resolved', 'Package.swift') }}
           restore-keys: ${{ runner.os }}-spm-${{ steps.swift_version.outputs.version }}-
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6f2173dfb..bafb3c9dc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Get Swift version
         id: swift_version
         run: echo "version=$(swift --version | grep '[5-9]\.[0-9]\+\(\.[0-9]\)\?' -o | head -1)" >> "$GITHUB_OUTPUT"
-      - uses: actions/cache@v4
+      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           key: ${{ runner.os }}-spm-${{ steps.swift_version.outputs.version }}-${{ hashFiles('Package.resolved', 'Package.swift') }}
           restore-keys: ${{ runner.os }}-spm-${{ steps.swift_version.outputs.version }}-
@@ -49,7 +49,7 @@ jobs:
       - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
         with:
           persist-credentials: false
-      - uses: actions/cache@v4
+      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           key: ${{ runner.os }}-xcode-spm-${{ matrix.xcode }}-${{ hashFiles('Package.resolved', 'Package.swift') }}
           restore-keys: ${{ runner.os }}-xcode-spm-${{ matrix.xcode }}-