diff --git a/.github/scripts/codex-security-review.test.js b/.github/scripts/codex-security-review.test.js
index 7ae3f852c3..3d491af6c7 100644
--- a/.github/scripts/codex-security-review.test.js
+++ b/.github/scripts/codex-security-review.test.js
@@ -203,7 +203,7 @@ const NO_FINDINGS_REVIEW = {
 
 async function postReview(state, review = NO_FINDINGS_REVIEW) {
   const environment = {
-    CODEX_MODEL: "gpt-5.6-sol",
+    CODEX_MODEL: "gpt-6.1-sol",
     GITHUB_REPOSITORY: "block/buzz",
     GITHUB_RUN_ID: "1234",
     GITHUB_SERVER_URL: "https://github.com",
diff --git a/.github/workflows/codex-security-review.yml b/.github/workflows/codex-security-review.yml
index eb6d01bf6d..b7966d2b1b 100644
--- a/.github/workflows/codex-security-review.yml
+++ b/.github/workflows/codex-security-review.yml
@@ -220,7 +220,7 @@ jobs:
     permissions:
       contents: read
     env:
-      CODEX_MODEL: gpt-5.6-sol
+      CODEX_MODEL: gpt-6.1-sol
       CODEX_REASONING_EFFORT: high
       CODEX_REVIEW_API_KEY_PRESENT: ${{ secrets.CODEX_REVIEW_API_KEY != '' }}
       REVIEW_CONTEXT: review-context
@@ -303,7 +303,7 @@ jobs:
           ACTIONS_ID_TOKEN_REQUEST_URL: ''
         with:
           openai-api-key: ${{ secrets.CODEX_REVIEW_API_KEY }}
-          codex-version: '0.150.1'
+          codex-version: '0.161.0'
           model: ${{ env.CODEX_MODEL }}
           codex-args: '["-c","model_reasoning_effort=${{ env.CODEX_REASONING_EFFORT }}"]'
           # The trusted authorization job already required repo write access for the
@@ -508,7 +508,7 @@ jobs:
       contents: read
       pull-requests: write
     env:
-      CODEX_MODEL: gpt-5.6-sol
+      CODEX_MODEL: gpt-6.1-sol
       REVIEW_JSON: ${{ needs.security-review.outputs.review_json }}
       REVIEW_PR_NUMBER: ${{ needs.prepare-review.outputs.pr_number }}
       REVIEW_TRIGGER_ACTOR: ${{ needs.prepare-review.outputs.trigger_actor }}