diff --git a/roles/auth/files/krb5.conf b/roles/auth/files/krb5.conf
index d7cdbb2..890996c 100644
--- a/roles/auth/files/krb5.conf
+++ b/roles/auth/files/krb5.conf
@@ -4,6 +4,7 @@
   proxiable = true
   dns_lookup_kdc = false
   dns_lookup_realm = false
+  allow_weak_crypto = true
 
 [realms]
   CSCLUB.UWATERLOO.CA = {