diff --git a/.github/workflows/terraform-test.yaml b/.github/workflows/terraform-test.yaml
index 7e3c49d..f6c456f 100644
--- a/.github/workflows/terraform-test.yaml
+++ b/.github/workflows/terraform-test.yaml
@@ -34,10 +34,14 @@ jobs:
           echo "run=$run" >>"$GITHUB_OUTPUT"
 
   test:
-    name: Terraform Test
+    name: Terraform Test (${{ matrix.terraform }})
     needs: gate
     if: needs.gate.outputs.run == 'true'
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        terraform: ['~1.15', '~1.16']
     steps:
       - name: Checkout
         uses: actions/checkout@v7
@@ -45,6 +49,8 @@ jobs:
           persist-credentials: false
       - name: Set up Terraform
         uses: hashicorp/setup-terraform@v4
+        with:
+          terraform_version: ${{ matrix.terraform }}
       - name: Terraform fmt
         run: terraform -chdir=terraform fmt -check -recursive
       - name: Terraform init
diff --git a/.github/workflows/terraform.yaml b/.github/workflows/terraform.yaml
index 52dd7f2..ef8e564 100644
--- a/.github/workflows/terraform.yaml
+++ b/.github/workflows/terraform.yaml
@@ -74,8 +74,6 @@ jobs:
           persist-credentials: false
       - name: Set up Terraform
         uses: hashicorp/setup-terraform@v4
-        with:
-          terraform_version: 1.14.7
       - name: Terraform fmt
         run: terraform -chdir=terraform fmt -check
       - name: Terraform init
diff --git a/terraform/config.tf b/terraform/config.tf
index 91901d4..cad03d9 100644
--- a/terraform/config.tf
+++ b/terraform/config.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = "~> 1.14"
+  required_version = "~> 1.15"
 
   required_providers {
     github = {
diff --git a/terraform/modules/repository/config.tf b/terraform/modules/repository/config.tf
index 342e8c6..c5670ae 100644
--- a/terraform/modules/repository/config.tf
+++ b/terraform/modules/repository/config.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = "~> 1.14"
+  required_version = "~> 1.15"
 
   required_providers {
     github = {