diff --git a/test262/utils.py b/test262/utils.py
index 17501580a8f112b324f9144a1f88065f6673bc73..f14e213fb36fe978a985dba859092b4c6c0adfd8 100755
--- a/test262/utils.py
+++ b/test262/utils.py
@@ -168,7 +168,7 @@ def search_dependency(file, directory):
 def collect_module_dependencies(file, directory, traversedDependencies):
     dependencies = []
     traversedDependencies.append(file)
-    with open(file, 'r') as f:
+    with open(file, 'r', encoding='utf-8') as f:
         content = f.read()
         result_arr = re.findall(r'(import|from)(?:\s*)(\'(\.\/.*)\'|"(\.\/.*)")', content)
         for result in result_arr:
@@ -179,4 +179,4 @@ def collect_module_dependencies(file, directory, traversedDependencies):
                     dependencies.extend(collect_module_dependencies(dependency, directory, list(set(traversedDependencies))))
                 dependencies.append(dependency)
 
-    return dependencies
\ No newline at end of file
+    return dependencies