diff --git a/requirements.in b/requirements.in
index d26ef334..b73e6809 100644
--- a/requirements.in
+++ b/requirements.in
@@ -4,7 +4,7 @@ blinker~=1.4
 boto3==1.35.99
 botocore==1.35.99
 click~=8.4.2
-csh-ldap>=2.5.5
+csh-ldap>=2.5.7
 Flask~=3.1.0
 Flask-Migrate~=4.1.0
 Flask-Gzip~=0.2
diff --git a/requirements.txt b/requirements.txt
index c8207e5e..61c6fcf0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ click==8.4.2
     #   pip-tools
 cryptography==49.0.0
     # via oic
-csh-ldap==2.5.5
+csh-ldap==2.5.7
     # via -r requirements.in
 defusedxml==0.7.1
     # via oic