diff --git a/.github/workflows/base-deploy.yml b/.github/workflows/base-deploy.yml
index 6679d669..68c74a0f 100644
--- a/.github/workflows/base-deploy.yml
+++ b/.github/workflows/base-deploy.yml
@@ -120,7 +120,7 @@ jobs:
             fetch-depth: 0
 
         - name: "Setup Terraform"
-          uses: hashicorp/setup-terraform@v3
+          uses: hashicorp/setup-terraform@v4
           with:
             terraform_version: ${{ needs.metadata.outputs.terraform_version }}
 
@@ -177,7 +177,7 @@ jobs:
           fetch-depth: 0
 
       - name: "Setup Terraform"
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         with:
           terraform_version: ${{ needs.metadata.outputs.terraform_version }}
 
diff --git a/.github/workflows/cicd-2-publish.yaml b/.github/workflows/cicd-2-publish.yaml
index 2fe0121b..fc3a272f 100644
--- a/.github/workflows/cicd-2-publish.yaml
+++ b/.github/workflows/cicd-2-publish.yaml
@@ -62,7 +62,7 @@ jobs:
       contents: write
     steps:
       - name: "Setup Terraform"
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         with:
           terraform_version: ${{ needs.metadata.outputs.terraform_version }}
 
diff --git a/.github/workflows/cicd-3-test-deploy.yaml b/.github/workflows/cicd-3-test-deploy.yaml
index 22dc1437..e9b5e39f 100644
--- a/.github/workflows/cicd-3-test-deploy.yaml
+++ b/.github/workflows/cicd-3-test-deploy.yaml
@@ -62,7 +62,7 @@ jobs:
           ref: ${{ github.event.workflow_run.head_sha }}
 
       - name: "Setup Terraform"
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         with:
           terraform_version: ${{ needs.metadata.outputs.terraform_version }}
 
diff --git a/.github/workflows/iam-bootstrap-deploy.yaml b/.github/workflows/iam-bootstrap-deploy.yaml
index 30378258..1dd7f480 100644
--- a/.github/workflows/iam-bootstrap-deploy.yaml
+++ b/.github/workflows/iam-bootstrap-deploy.yaml
@@ -39,7 +39,7 @@ jobs:
           echo "terraform_version=$(grep '^terraform' .tool-versions | cut -f2 -d' ')" >> $GITHUB_OUTPUT
 
       - name: "Setup Terraform"
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         with:
           terraform_version: ${{ steps.vars.outputs.terraform_version }}
 
diff --git a/.github/workflows/release-candidate.yml b/.github/workflows/release-candidate.yml
index ad64bd53..2cc8dd9f 100644
--- a/.github/workflows/release-candidate.yml
+++ b/.github/workflows/release-candidate.yml
@@ -90,7 +90,7 @@ jobs:
           ref: ${{ needs.validate.outputs.dev_tag }}
 
       - name: "Setup Terraform"
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         with:
           terraform_version: $(grep '^terraform' .tool-versions | cut -f2 -d' ')
 
@@ -211,7 +211,7 @@ jobs:
           ref: ${{ needs.validate.outputs.dev_tag }}
 
       - name: "Setup Terraform"
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         with:
           terraform_version: $(grep '^terraform' .tool-versions | cut -f2 -d' ')
 
@@ -312,7 +312,7 @@ jobs:
           fetch-depth: 0
 
       - name: "Setup Terraform"
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         with:
           terraform_version: $(grep '^terraform' .tool-versions | cut -f2 -d' ')