diff --git a/phono-backends/src/rolnames.rs b/phono-backends/src/rolnames.rs
index a4e95d7..94ee072 100644
--- a/phono-backends/src/rolnames.rs
+++ b/phono-backends/src/rolnames.rs
@@ -4,4 +4,4 @@ pub const ROLE_PREFIX_TABLE_READER: &str = "tbr_";
 pub const ROLE_PREFIX_TABLE_WRITER: &str = "tbw_";
 pub const ROLE_PREFIX_USER: &str = "usr_";
 pub const SERVICE_CRED_SUFFIX_LEN: usize = 8;
-pub const SERVICE_CRED_CONN_LIMIT: usize = 4;
+pub const SERVICE_CRED_CONN_LIMIT: usize = 16;