diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a127d5b0..f626b106 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -62,8 +62,7 @@ jobs:
           DEX_POSTGRES_HOST: localhost
           DEX_POSTGRES_PORT: ${{ job.services.postgres.ports[5432] }}
           DEX_ETCD_ENDPOINTS: http://localhost:${{ job.services.etcd.ports[2379] }}
-          # TODO: enable
-          DEX_LDAP_TESTS: 0
+          DEX_LDAP_TESTS: 1
           DEX_KEYSTONE_URL: http://localhost:${{ job.services.keystone.ports[5000] }}
           DEX_KEYSTONE_ADMIN_URL: http://localhost:${{ job.services.keystone.ports[35357] }}
           DEX_KEYSTONE_ADMIN_USER: demo