diff --git a/requirements.txt b/requirements.txt
index d70c58e..9efe3fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 requests-html==0.9.0
-PyYAML==3.13
+PyYAML==5.4
diff --git a/setup.py b/setup.py
index 2208ce2..9d8c626 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 with open(os.path.join(DIR_PATH, 'README.md'), encoding='utf-8') as file:
     long_description = file.read()
 
-requires = ['requests-html==0.9.0', 'pyyaml==3.13']
+requires = ['requests-html==0.9.0', 'pyyaml==5.4']
 
 setup(
     name='web_crawler',