diff --git a/.github/workflows/_claude-code-review.yml b/.github/workflows/_claude-code-review.yml
index f3867f0b..1c174036 100644
--- a/.github/workflows/_claude-code-review.yml
+++ b/.github/workflows/_claude-code-review.yml
@@ -1219,7 +1219,7 @@ jobs:
       - name: Run Claude Code Review
         if: steps.cache-check.outputs.cache-hit != 'true' && steps.diff-size.outputs.is_too_large != 'true'
         id: claude
-        uses: anthropics/claude-code-action@a874e9ecd7bb36efdad65429c6b35815f5a08f10 # v1.0.210
+        uses: anthropics/claude-code-action@756cc22e19660d20e8cc9496b4f242475a7f7790 # v1.0.235
         with:
           # Authentication: provide either API key or OAuth token (validated in earlier step)
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
@@ -1712,7 +1712,7 @@ jobs:
       - name: Run Claude Auto-Fix
         id: claude-fix
         if: steps.auto-fix-check.outputs.should_fix == 'true' && steps.pr-branch.outputs.repo_full_name == github.repository
-        uses: anthropics/claude-code-action@a874e9ecd7bb36efdad65429c6b35815f5a08f10 # v1.0.210
+        uses: anthropics/claude-code-action@756cc22e19660d20e8cc9496b4f242475a7f7790 # v1.0.235
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
diff --git a/.github/workflows/_claude-docs-check.yml b/.github/workflows/_claude-docs-check.yml
index 1e13bbf8..09eaa020 100644
--- a/.github/workflows/_claude-docs-check.yml
+++ b/.github/workflows/_claude-docs-check.yml
@@ -707,7 +707,7 @@ jobs:
       # Run Claude
       - name: Run Claude Docs Check
         id: claude
-        uses: anthropics/claude-code-action@a874e9ecd7bb36efdad65429c6b35815f5a08f10 # v1.0.210
+        uses: anthropics/claude-code-action@756cc22e19660d20e8cc9496b4f242475a7f7790 # v1.0.235
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
@@ -1032,7 +1032,7 @@ jobs:
       - name: Run Claude Auto-Fix
         id: claude-fix
         if: steps.auto-fix-check.outputs.should_fix == 'true' && steps.pr-branch.outputs.repo_full_name == github.repository
-        uses: anthropics/claude-code-action@a874e9ecd7bb36efdad65429c6b35815f5a08f10 # v1.0.210
+        uses: anthropics/claude-code-action@756cc22e19660d20e8cc9496b4f242475a7f7790 # v1.0.235
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
diff --git a/.github/workflows/_claude-main.yml b/.github/workflows/_claude-main.yml
index a776f261..cb936e42 100644
--- a/.github/workflows/_claude-main.yml
+++ b/.github/workflows/_claude-main.yml
@@ -79,7 +79,7 @@ on:
 
           Available models:
           - claude-sonnet-5 (default, recommended) - Latest Sonnet model with best balance of speed and capability
-          - claude-opus-5 - Most capable model for complex tasks
+          - claude-opus-5-5 - Most capable model for complex tasks
           - claude-haiku-4-5-20251001 - Fast, cost-effective model for simpler tasks
 
           Default: claude-sonnet-5
@@ -457,7 +457,7 @@ jobs:
       # Supports both API key and OAuth token authentication (validated in earlier step)
       - name: Run Claude Code
         id: claude
-        uses: anthropics/claude-code-action@a874e9ecd7bb36efdad65429c6b35815f5a08f10 # v1.0.210
+        uses: anthropics/claude-code-action@756cc22e19660d20e8cc9496b4f242475a7f7790 # v1.0.235
         with:
           # Authentication: provide either API key or OAuth token (validated in earlier step)
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
diff --git a/.github/workflows/_generate-pr-metadata.yml b/.github/workflows/_generate-pr-metadata.yml
index 3642c01c..79ba61b8 100644
--- a/.github/workflows/_generate-pr-metadata.yml
+++ b/.github/workflows/_generate-pr-metadata.yml
@@ -47,7 +47,7 @@ on:
         description: "Claude model to use for generation"
         required: false
         type: string
-        default: "claude-opus-5"
+        default: "claude-opus-5-5"
 
       max_turns:
         description: "Maximum conversation turns for Claude. Omit to use unlimited turns."
@@ -486,7 +486,7 @@ jobs:
           steps.quality-gate-prep.outputs.has_user_content == 'true'
         id: quality-gate-eval
         continue-on-error: true
-        uses: anthropics/claude-code-action@a874e9ecd7bb36efdad65429c6b35815f5a08f10 # v1.0.210
+        uses: anthropics/claude-code-action@756cc22e19660d20e8cc9496b4f242475a7f7790 # v1.0.235
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
@@ -944,7 +944,7 @@ jobs:
       - name: Run Claude Code Generation
         if: steps.cache-check.outputs.cache-hit != 'true' && steps.quality-gate.outputs.should_skip != 'true'
         id: claude
-        uses: anthropics/claude-code-action@a874e9ecd7bb36efdad65429c6b35815f5a08f10 # v1.0.210
+        uses: anthropics/claude-code-action@756cc22e19660d20e8cc9496b4f242475a7f7790 # v1.0.235
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
diff --git a/.github/workflows/_update-action-versions-worker.yml b/.github/workflows/_update-action-versions-worker.yml
index 319f7075..4a7afedf 100644
--- a/.github/workflows/_update-action-versions-worker.yml
+++ b/.github/workflows/_update-action-versions-worker.yml
@@ -447,7 +447,7 @@ jobs:
       # Supports both API key and OAuth token authentication (OAuth takes precedence)
       - name: Run Claude Code
         id: claude
-        uses: anthropics/claude-code-action@a874e9ecd7bb36efdad65429c6b35815f5a08f10 # v1.0.210
+        uses: anthropics/claude-code-action@756cc22e19660d20e8cc9496b4f242475a7f7790 # v1.0.235
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}