diff --git a/xmodule/static_content.py b/xmodule/static_content.py
index a89ab1bf3b31..57eb8ce23487 100755
--- a/xmodule/static_content.py
+++ b/xmodule/static_content.py
@@ -150,8 +150,9 @@ def _write_styles(selector, output_root, classes, css_attribute, suffix):
         ))
         module_styles_lines.extend(f'  @import "{name}";' for name in fragment_names)
         module_styles_lines.append('}')
+        file_hash = hashlib.md5("".join(fragment_names).encode('ascii')).hexdigest()
 
-        contents[f"{class_.__name__}{suffix}.scss"] = '\n'.join(module_styles_lines)
+        contents[f"{class_.__name__}{suffix}.{file_hash}.scss"] = '\n'.join(module_styles_lines)
 
     _write_files(output_root, contents)
 
diff --git a/xmodule/util/xmodule_django.py b/xmodule/util/xmodule_django.py
index 1d9a858ea495..248e10bf981a 100644
--- a/xmodule/util/xmodule_django.py
+++ b/xmodule/util/xmodule_django.py
@@ -61,9 +61,9 @@ def load_assets(self):
                             'path': '/openedx/edx-platform/common/static/bundles/AnnotatableBlockPreview.js.map'
                         },
                         {
-                            'name': 'AnnotatableBlockPreview.css',
-                            'path': 'common/static/css/xmodule/AnnotatableBlockPreview.css',
-                            'publicPath': '/static/css/xmodule/AnnotatableBlockPreview.css'
+                            'name': 'AnnotatableBlockPreview.85745121.css',
+                            'path': 'common/static/css/xmodule/AnnotatableBlockPreview.85745121.css',
+                            'publicPath': '/static/css/xmodule/AnnotatableBlockPreview.85745121.css'
                         }
                     ],
                     ...