diff --git a/.github/workflows/setup-terraform.yml b/.github/workflows/setup-terraform.yml
index 2f5cacc..7e8418c 100644
--- a/.github/workflows/setup-terraform.yml
+++ b/.github/workflows/setup-terraform.yml
@@ -60,6 +60,45 @@ jobs:
       if: ${{ matrix['terraform-versions'] == 'latest' }}
       run: terraform version | grep 'Terraform v'
   
+  terraform-versions-constraints:
+    name: 'Terraform Versions Constraints' 
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        terraform-versions: [~0.12, 0.12.x, <0.13.0]
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Setup Terraform - ${{ matrix['terraform-versions'] }}
+      uses: ./
+      with:
+        terraform_version: ${{ matrix['terraform-versions'] }}
+
+    - name: Validate Teraform Version - ${{ matrix['terraform-versions'] }}
+      run: terraform version | grep 'Terraform v0\.12'
+  
+  terraform-versions-constraints-no-wrapper:
+    name: 'Terraform Versions Constraints No Wrapper' 
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        terraform-versions: [~0.12, 0.12.x, <0.13.0]
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+  
+    - name: Setup Terraform (no wrapper) - ${{ matrix['terraform-versions'] }}
+      uses: ./
+      with:
+        terraform_version: ${{ matrix['terraform-versions'] }}
+        terraform_wrapper: false
+
+    - name: Validate Teraform Version - ${{ matrix['terraform-versions'] }}
+      run: terraform version | grep 'Terraform v0\.12'
+  
   terraform-credentials-cloud:
     name: 'Terraform Cloud Credentials' 
     runs-on: ${{ matrix.os }}