diff --git a/package.json b/package.json
index 7eb7ed56..face22d1 100644
--- a/package.json
+++ b/package.json
@@ -66,6 +66,7 @@
     "pack:app": "cd packages/netlify-cms-app && npm pack",
     "pack:ui-default": "cd packages/netlify-cms-ui-default && npm pack",
     "pack:widget-file": "cd packages/netlify-cms-widget-file && npm pack",
+    "pack:git-gateway": "cd packages/netlify-cms-backend-git-gateway && npm pack",
     "pack-copy": "mv packages/**/*.tgz ./packs",
     "pack-clear": "rm -Rf packs/*",
     "pack-all": "run-p pack:* && npm run pack-copy",
diff --git a/packages/netlify-cms-core/src/components/Editor/EditorPreviewPane/EditorPreviewContent.tsx b/packages/netlify-cms-core/src/components/Editor/EditorPreviewPane/EditorPreviewContent.tsx
index ec76d328..de15e261 100644
--- a/packages/netlify-cms-core/src/components/Editor/EditorPreviewPane/EditorPreviewContent.tsx
+++ b/packages/netlify-cms-core/src/components/Editor/EditorPreviewPane/EditorPreviewContent.tsx
@@ -18,6 +18,7 @@ const StyledPreviewContent = styled.div`
   right: 0;
   position: absolute;
   height: calc(100% - 66px);
+  overflow-y: auto;
 `;
 
 const PreviewContent = ({ previewComponent, previewProps }: PreviewContentProps) => {