diff --git a/utils/check_modular_conversion.py b/utils/check_modular_conversion.py
index f5a4a9799c0..5406809cddc 100644
--- a/utils/check_modular_conversion.py
+++ b/utils/check_modular_conversion.py
@@ -23,7 +23,7 @@ def process_file(modular_file_path, generated_modeling_content, file_type="model
     file_name_suffix = file_type.split("*")[-1] if "*" in file_type else ""
     file_path = modular_file_path.replace("modular_", f"{file_name_prefix}_").replace(".py", f"{file_name_suffix}.py")
     # Read the actual modeling file
-    with open(file_path, "r") as modeling_file:
+    with open(file_path, "r", encoding="utf-8") as modeling_file:
         content = modeling_file.read()
     output_buffer = StringIO(generated_modeling_content[file_type][0])
     output_buffer.seek(0)
@@ -39,7 +39,7 @@ def process_file(modular_file_path, generated_modeling_content, file_type="model
     # Check for differences
     if diff_list:
         if fix_and_overwrite:
-            with open(file_path, "w") as modeling_file:
+            with open(file_path, "w", encoding="utf-8", newline="\n") as modeling_file:
                 modeling_file.write(generated_modeling_content[file_type][0])
             console.print(f"[bold blue]Overwritten {file_path} with the generated content.[/bold blue]")
         else:
diff --git a/utils/create_dependency_mapping.py b/utils/create_dependency_mapping.py
index f0f62cf1b00..782617e27c2 100644
--- a/utils/create_dependency_mapping.py
+++ b/utils/create_dependency_mapping.py
@@ -30,7 +30,7 @@ def topological_sort(dependencies: dict):
 
 # Function to extract class and import info from a file
 def extract_classes_and_imports(file_path):
-    with open(file_path, "r") as file:
+    with open(file_path, "r", encoding="utf-8") as file:
         tree = ast.parse(file.read(), filename=file_path)
     imports = set()