diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 6917bd5..eb8b47e 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -449,6 +449,21 @@ jobs:
       - name: Install npm dependencies
         run: npm install
 
+      - name: Set browser path for Mermaid (Windows)
+        shell: pwsh
+        run: |
+          $chromePaths = @(
+            "C:\Program Files\Google\Chrome\Application\chrome.exe",
+            "C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"
+          )
+          foreach ($path in $chromePaths) {
+            if (Test-Path $path) {
+              "PUPPETEER_EXECUTABLE_PATH=$path" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+              Write-Host "Set PUPPETEER_EXECUTABLE_PATH to $path"
+              break
+            }
+          }
+
       - name: Restore Tools
         run: dotnet tool restore
 
@@ -464,7 +479,7 @@ jobs:
           dotnet versionmark --capture --job-id "build-docs" \
             --output "artifacts/versionmark-build-docs.json" -- \
             dotnet git node npm pandoc weasyprint sarifmark sonarmark reqstream \
-              buildmark versionmark reviewmark fileassert
+            buildmark versionmark reviewmark fileassert
           echo "✓ Tool versions captured"
 
       # === PREPARE DOCUMENT OUTPUT ===