diff --git a/rust/connlib/tunnel/src/client.rs b/rust/connlib/tunnel/src/client.rs
index c97e73bf2..59dae008d 100644
--- a/rust/connlib/tunnel/src/client.rs
+++ b/rust/connlib/tunnel/src/client.rs
@@ -781,6 +781,8 @@ impl ClientState {
     }
 
     fn set_dns_mapping(&mut self, new_mapping: BiMap<IpAddr, DnsServer>) {
+        tracing::debug!(mapping = ?new_mapping, "Updating DNS servers");
+
         self.dns_mapping = new_mapping;
         self.mangled_dns_queries.clear();
     }