diff --git a/requirements.txt b/requirements.txt
index 5ef4fd7d..2e4f4ee8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ lief==1.0.0
 Markdown==3.11
 Mastodon.py==2.2.2
 numpy==2.5.3
-oauthlib==3.3.1
+oauthlib==4.0.0
 packaging==26.3
 pillow==12.3.0
 platform_utils @ git+https://github.com/accessibleapps/platform_utils@e0d79f7b399c4ea677a633d2dde9202350d62c38