diff --git a/.github/workflows/marvin-dedupe-issues.yml b/.github/workflows/marvin-dedupe-issues.yml
index 1aed8e5ff..a71c590c0 100644
--- a/.github/workflows/marvin-dedupe-issues.yml
+++ b/.github/workflows/marvin-dedupe-issues.yml
@@ -88,7 +88,7 @@ jobs:
             --allowedTools Bash(gh issue view:*),Bash(gh search:*),Bash(gh issue list:*),Bash(gh api:*),Bash(gh issue comment:*),Task
           settings: |
             {
-              "model": "claude-sonnet-4-5-20250929",
+              "model": "claude-sonnet-4-6",
               "env": {
                 "GH_TOKEN": "${{ steps.marvin-token.outputs.token }}"
               }
diff --git a/.github/workflows/marvin-label-triage.yml b/.github/workflows/marvin-label-triage.yml
index a95b489a8..8a3f5f47d 100644
--- a/.github/workflows/marvin-label-triage.yml
+++ b/.github/workflows/marvin-label-triage.yml
@@ -142,7 +142,7 @@ jobs:
             --allowedTools Bash(gh label list),mcp__github__get_issue,mcp__github__get_issue_comments,mcp__github__update_issue,mcp__github__get_pull_request_files
           settings: |
             {
-              "model": "claude-sonnet-4-5-20250929",
+              "model": "claude-sonnet-4-6",
               "env": {
                 "GH_TOKEN": "${{ steps.marvin-token.outputs.token }}"
               }