diff --git a/apps/emqx_ldap/src/emqx_ldap.app.src b/apps/emqx_ldap/src/emqx_ldap.app.src
index 3598d317c..b0d8ec59c 100644
--- a/apps/emqx_ldap/src/emqx_ldap.app.src
+++ b/apps/emqx_ldap/src/emqx_ldap.app.src
@@ -1,6 +1,6 @@
 {application, emqx_ldap, [
     {description, "EMQX LDAP Connector"},
-    {vsn, "0.1.7"},
+    {vsn, "0.1.8"},
     {registered, []},
     {applications, [
         kernel,
diff --git a/apps/emqx_ldap/src/emqx_ldap.erl b/apps/emqx_ldap/src/emqx_ldap.erl
index 79423995e..d04be5d68 100644
--- a/apps/emqx_ldap/src/emqx_ldap.erl
+++ b/apps/emqx_ldap/src/emqx_ldap.erl
@@ -327,7 +327,7 @@ do_ldap_query(
 mk_log_func(LogTag) ->
     fun(_Level, Format, Args) ->
         ?SLOG(
-            info,
+            debug,
             #{
                 msg => LogTag,
                 log => io_lib:format(Format, [redact_ldap_log(Arg) || Arg <- Args])