diff --git a/requirements.txt b/requirements.txt
index fe5e543..105ce08 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2026.1.4
 charset-normalizer==3.4.4
 click==8.3.1
-idna==3.11
+idna==3.15
 oauthlib==3.3.1
 openttd-helpers==2.0.0
 requests==2.32.5