diff --git a/.github/workflows/deploy-cdktf-stacks.yml b/.github/workflows/deploy-cdktf-stacks.yml
index fd3ffd4..a19d7ce 100644
--- a/.github/workflows/deploy-cdktf-stacks.yml
+++ b/.github/workflows/deploy-cdktf-stacks.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Setup Terraform
         uses: hashicorp/setup-terraform@a1502cd9e758c50496cc9ac5308c4843bcd56d36
         with:
-          terraform_version: 1.6.5
+          terraform_version: 1.6.6
           cli_config_credentials_token: ${{ secrets.TF_CLOUD_TOKEN }}
           terraform_wrapper: false
 
diff --git a/.github/workflows/diff-cdktf-stacks.yml b/.github/workflows/diff-cdktf-stacks.yml
index 4c8e3f0..e4afc18 100644
--- a/.github/workflows/diff-cdktf-stacks.yml
+++ b/.github/workflows/diff-cdktf-stacks.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Setup Terraform
         uses: hashicorp/setup-terraform@a1502cd9e758c50496cc9ac5308c4843bcd56d36
         with:
-          terraform_version: 1.6.5
+          terraform_version: 1.6.6
           cli_config_credentials_token: ${{ secrets.TF_CLOUD_TOKEN }}
           terraform_wrapper: false