diff --git a/layers/layer3_ldap/0500_ldap_deps/requirements3.txt b/layers/layer3_ldap/0500_ldap_deps/requirements3.txt
index a615059..4f62568 100644
--- a/layers/layer3_ldap/0500_ldap_deps/requirements3.txt
+++ b/layers/layer3_ldap/0500_ldap_deps/requirements3.txt
@@ -11,7 +11,7 @@ distro==1.6.0
 fastapi==0.120.4
 filelock==3.20.3
 h11==0.16.0
-idna==3.7
+idna==3.15
 importlib-metadata==3.7.3
 Jinja2==3.1.6
 MarkupSafe==2.1.0