diff --git a/requirements.txt b/requirements.txt
index 53723471..ed202283 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ pyOpenSSL==26.2.0
 ndg-httpsclient==0.5.1
 urllib3==2.7.0  # requests, sentry-sdk
 chardet==7.4.0.post1  # requests
-idna==3.17  # requests
+idna==3.18  # requests
 certifi==2026.5.20  # requests, sentry-sdk
 requests==2.34.0
 logilab-common==2.1.0