diff --git a/src/main/java/net/gepafin/tendermanagement/config/SecurityConfig.java b/src/main/java/net/gepafin/tendermanagement/config/SecurityConfig.java
index ae30d29e..d5ad81e6 100644
--- a/src/main/java/net/gepafin/tendermanagement/config/SecurityConfig.java
+++ b/src/main/java/net/gepafin/tendermanagement/config/SecurityConfig.java
@@ -225,7 +225,7 @@ public class SecurityConfig {
                 .assertionConsumerServiceLocation(acsUrl)
                 .assertingPartyDetails(details -> details.entityId("https://federatest.umbriadigitale.it/gw/metadata")
                          .singleSignOnServiceLocation("https://federatest.umbriadigitale.it/gw/SSOProxy/SAML2")
-                        .singleSignOnServiceBinding(Saml2MessageBinding.POST).wantAuthnRequestsSigned(false)
+                        .singleSignOnServiceBinding(Saml2MessageBinding.POST).wantAuthnRequestsSigned(true)
                         )
                 .build();
         return new InMemoryRelyingPartyRegistrationRepository(registration);