diff --git a/crawl4ai/crawler_strategy.py b/crawl4ai/crawler_strategy.py
index 168d21df..85ba4450 100644
--- a/crawl4ai/crawler_strategy.py
+++ b/crawl4ai/crawler_strategy.py
@@ -256,7 +256,7 @@ class LocalSeleniumCrawlerStrategy(CrawlerStrategy):
             
             # Store in cache
             cache_file_path = os.path.join(Path.home(), ".crawl4ai", "cache", url_hash)
-            with open(cache_file_path, "w") as f:
+            with open(cache_file_path, "w", encoding="utf-8") as f:
                 f.write(html)
                 
             if self.verbose:
diff --git a/docs/examples/llm_extraction_openai_pricing.py b/docs/examples/llm_extraction_openai_pricing.py
index c4c6943e..9330ad31 100644
--- a/docs/examples/llm_extraction_openai_pricing.py
+++ b/docs/examples/llm_extraction_openai_pricing.py
@@ -36,5 +36,5 @@ model_fees = json.loads(result.extracted_content)
 
 print(len(model_fees))
 
-with open(".data/data.json", "w") as f:
+with open(".data/data.json", "w", encoding="utf-8") as f:
     f.write(result.extracted_content)
\ No newline at end of file
diff --git a/docs/examples/summarize_page.py b/docs/examples/summarize_page.py
index 31098e8e..85158999 100644
--- a/docs/examples/summarize_page.py
+++ b/docs/examples/summarize_page.py
@@ -42,5 +42,5 @@ page_summary = json.loads(result.extracted_content)
 
 print(page_summary)
 
-with open(".data/page_summary.json", "w") as f:
+with open(".data/page_summary.json", "w", encoding="utf-8") as f:
     f.write(result.extracted_content)
diff --git a/docs/md/examples/llm_extraction.md b/docs/md/examples/llm_extraction.md
index 5336a3cf..b7805726 100644
--- a/docs/md/examples/llm_extraction.md
+++ b/docs/md/examples/llm_extraction.md
@@ -45,7 +45,7 @@ model_fees = json.loads(result.extracted_content)
 
 print(len(model_fees))
 
-with open(".data/data.json", "w") as f:
+with open(".data/data.json", "w", encoding="utf-8") as f:
     f.write(result.extracted_content)
 ```
 
@@ -71,7 +71,7 @@ model_fees = json.loads(result.extracted_content)
 
 print(len(model_fees))
 
-with open(".data/data.json", "w") as f:
+with open(".data/data.json", "w", encoding="utf-8") as f:
     f.write(result.extracted_content)
 ```
 
diff --git a/docs/md/examples/summarization.md b/docs/md/examples/summarization.md
index 3210fad6..b817f691 100644
--- a/docs/md/examples/summarization.md
+++ b/docs/md/examples/summarization.md
@@ -91,7 +91,7 @@ This example demonstrates how to use `Crawl4AI` to extract a summary from a web
     Save the extracted data to a file for further use.
 
     ```python
-    with open(".data/page_summary.json", "w") as f:
+    with open(".data/page_summary.json", "w", encoding="utf-8") as f:
         f.write(result.extracted_content)
     ```