diff --git a/requirements.txt b/requirements.txt
index 7d164c7..364bac5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,9 @@
 aiodns>=3.0.0
-aiohttp>=3.8.1
-beautifulsoup4>=4.11.1
-cchardet>=2.1.7
+aiohttp>=3.8.5
+beautifulsoup4>=4.12.2
 compatibility>=1.0.1
 jinja2>=3.1.1
-lxml>=4.8.0
+lxml>=4.9.2
 pybtex>=0.24.0
 sqlalchemy>=1.4.35
 tqdm>=4.62.3