diff --git a/.github/workflows/continuous-integration-terraform.yml b/.github/workflows/continuous-integration-terraform.yml
index c559250..70154e1 100644
--- a/.github/workflows/continuous-integration-terraform.yml
+++ b/.github/workflows/continuous-integration-terraform.yml
@@ -27,19 +27,19 @@ jobs:
         run: rm ./backend.tf
 
       - name: Run a Terraform init
-        uses: docker://hashicorp/terraform:1.7.5
+        uses: docker://hashicorp/terraform:1.9.0
         with:
           entrypoint: terraform
           args: init
 
       - name: Run a Terraform validate
-        uses: docker://hashicorp/terraform:1.7.5
+        uses: docker://hashicorp/terraform:1.9.0
         with:
           entrypoint: terraform
           args: validate
 
       - name: Run a Terraform format check
-        uses: docker://hashicorp/terraform:1.7.5
+        uses: docker://hashicorp/terraform:1.9.0
         with:
           entrypoint: terraform
           args: fmt -check=true -diff=true
diff --git a/.terraform-version b/.terraform-version
index 6a126f4..f8e233b 100644
--- a/.terraform-version
+++ b/.terraform-version
@@ -1 +1 @@
-1.7.5
+1.9.0