diff --git a/.github/workflows/terraform-plan.yml b/.github/workflows/terraform-plan.yml
index 3ff0a90..d1f6bff 100644
--- a/.github/workflows/terraform-plan.yml
+++ b/.github/workflows/terraform-plan.yml
@@ -74,10 +74,10 @@ jobs:
       # ANTHROPIC_API_KEY is not set. Non-fatal — plan review is advisory.
       - name: AI plan review
         if: github.event_name == 'pull_request'
-        uses: JamesIOmete/tf-plan-ai-reviewer@master
+        uses: JamesIOmete/tf-plan-ai-reviewer@v1.0.0
         with:
           plan-json-path: plan.json
           anthropic-api-key: ${{ secrets.ANTHROPIC_API_KEY }}
-          anthropic-model: claude-sonnet-4-20250514
+          anthropic-model: claude-sonnet-4-5
           openai-api-key: ${{ secrets.OPENAI_API_KEY }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/terraform/variables.tf b/terraform/variables.tf
index ce0e3cb..c319656 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -93,7 +93,7 @@ variable "telemetry_ttl_days" {
     food and pharma cold chain; adjust to your compliance requirement.
   EOT
   type        = number
-  default     = 90
+  default     = 91
 }
 
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