diff --git a/.github/workflows/apply-prod.yml b/.github/workflows/apply-prod.yml
index a12c751..3fca3ac 100644
--- a/.github/workflows/apply-prod.yml
+++ b/.github/workflows/apply-prod.yml
@@ -56,7 +56,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Setup Tofu
-        uses: opentofu/setup-opentofu@v1.0.5
+        uses: opentofu/setup-opentofu@592200bd4b9bbf4772ace78f887668b1aee8f716 # v1.0.5
         with:
           tofu_version: ${{ env.tofu_version }}
       - name: Setup Terragrunt
@@ -87,7 +87,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Setup Tofu
-        uses: opentofu/setup-opentofu@v1.0.5
+        uses: opentofu/setup-opentofu@592200bd4b9bbf4772ace78f887668b1aee8f716 # v1.0.5
         with:
           tofu_version: ${{ env.tofu_version }}
       - name: Setup Terragrunt
diff --git a/.github/workflows/pull-request.yaml b/.github/workflows/pull-request.yaml
index 1af2422..386604f 100644
--- a/.github/workflows/pull-request.yaml
+++ b/.github/workflows/pull-request.yaml
@@ -46,7 +46,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Setup Tofu
-        uses: opentofu/setup-opentofu@v1.0.5
+        uses: opentofu/setup-opentofu@592200bd4b9bbf4772ace78f887668b1aee8f716 # v1.0.5
         with:
           tofu_version: ${{ env.tofu_version }}
       - name: Terraform fmt check
@@ -60,7 +60,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Setup Tofu
-        uses: opentofu/setup-opentofu@v1.0.5
+        uses: opentofu/setup-opentofu@592200bd4b9bbf4772ace78f887668b1aee8f716 # v1.0.5
         with:
           tofu_version: ${{ env.tofu_version }}
       - name: Setup Terragrunt
@@ -85,7 +85,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Setup Tofu
-        uses: opentofu/setup-opentofu@v1.0.5
+        uses: opentofu/setup-opentofu@592200bd4b9bbf4772ace78f887668b1aee8f716 # v1.0.5
         with:
           tofu_version: ${{ env.tofu_version }}
       - name: Setup Terragrunt
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0f7b04e..ed5dc10 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -60,7 +60,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Setup Tofu
-        uses: opentofu/setup-opentofu@v1.0.5
+        uses: opentofu/setup-opentofu@592200bd4b9bbf4772ace78f887668b1aee8f716 # v1.0.5
         with:
           tofu_version: ${{ env.tofu_version }}
       - name: Setup Terragrunt