diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 6773f7b..f090c50 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -9,6 +9,8 @@ updates:
       prefix: "ci:"
     cooldown:
       default-days: 7
+    ignore:
+      - dependency-name: "the-pr-agent/pr-agent"
     groups:
       dependencies:
         patterns:
diff --git a/.github/workflows/pr-agent.yml b/.github/workflows/pr-agent.yml
index 3fbd7eb..77f2006 100644
--- a/.github/workflows/pr-agent.yml
+++ b/.github/workflows/pr-agent.yml
@@ -15,7 +15,7 @@ jobs:
         if: ${{ github.event.sender.type != 'Bot' }}
         steps:
             - name: PR Agent action step
-              uses: the-pr-agent/pr-agent@f6af7d77554ff8d26adffded077e6461329e92fa # v0.42.0
+              uses: the-pr-agent/pr-agent@4ebd5c5333c6ef21509e7304d27969eb825e6f22 # v0.43.0
               env:
                   OPENAI_KEY: ${{ secrets.OPENAI_KEY }}
                   OPENAI_API_BASE: ${{ secrets.OPENAI_API_BASE }}
@@ -25,8 +25,8 @@ jobs:
                   github_action_config.auto_describe: "true"
                   github_action_config.auto_improve: "true"
                   github_action_config.pr_actions: '["opened", "reopened", "ready_for_review", "synchronize"]'
-                  config.model: "openrouter/openai/gpt-5.6-luna"
-                  config.fallback_models: '["openrouter/moonshotai/kimi-k2.7-code"]'
+                  config.model: "openrouter/openai/gpt-5.6-terra"
+                  config.fallback_models: '["openrouter/openai/gpt-5.6-luna"]'
                   config.custom_model_max_tokens: 256000
                   config.max_model_tokens: 120000
                   config.temperature: "0"