diff --git a/lib/src/client/session/client.rs b/lib/src/client/session/client.rs
index fd11b279f..f09ee7d88 100644
--- a/lib/src/client/session/client.rs
+++ b/lib/src/client/session/client.rs
@@ -114,9 +114,9 @@ impl Client {
             Ok(endpoints) => endpoints,
         };
 
-        info!("Server has these endpoints:");
+        debug!("Server has these endpoints:");
         endpoints.iter().for_each(|e| {
-            info!(
+            debug!(
                 "  {} - {:?} / {:?}",
                 e.endpoint_url,
                 SecurityPolicy::from_str(e.security_policy_uri.as_ref()).unwrap(),
diff --git a/lib/src/client/transport/channel.rs b/lib/src/client/transport/channel.rs
index 7273cc9dc..a64180e67 100644
--- a/lib/src/client/transport/channel.rs
+++ b/lib/src/client/transport/channel.rs
@@ -203,7 +203,7 @@ impl AsyncSecureChannel {
         &self,
     ) -> Result<(TcpTransport, tokio::sync::mpsc::Sender<OutgoingMessage>), StatusCode> {
         let endpoint_url = self.session_info.endpoint.endpoint_url.clone();
-        info!("Connect");
+        debug!("connect");
         let security_policy =
             SecurityPolicy::from_str(self.session_info.endpoint.security_policy_uri.as_ref())
                 .unwrap();
@@ -229,9 +229,9 @@ impl AsyncSecureChannel {
                 let _ = secure_channel.set_remote_cert_from_byte_string(
                     &self.session_info.endpoint.server_certificate,
                 );
-                info!("Security policy = {:?}", security_policy);
-                info!(
-                    "Security mode = {:?}",
+                debug!("security policy = {:?}", security_policy);
+                debug!(
+                    "security mode = {:?}",
                     self.session_info.endpoint.security_mode
                 );
             }
diff --git a/lib/src/client/transport/core.rs b/lib/src/client/transport/core.rs
index 754231d16..e73fffa3e 100644
--- a/lib/src/client/transport/core.rs
+++ b/lib/src/client/transport/core.rs
@@ -262,8 +262,8 @@ impl TransportState {
             .sequence_number;
         for c in chunks {
             if c.header.sequence_header.sequence_number != expect_sequence_number {
-                info!(
-                    "receive wrong chunk expect seq={},got={}",
+                debug!(
+                    "received wrong chunk expected seq={}, got={}",
                     expect_sequence_number, c.header.sequence_header.sequence_number
                 );
                 continue; //may be duplicate chunk
diff --git a/lib/src/client/transport/state.rs b/lib/src/client/transport/state.rs
index 9bd8eb59d..060a12c85 100644
--- a/lib/src/client/transport/state.rs
+++ b/lib/src/client/transport/state.rs
@@ -133,9 +133,9 @@ impl SecureChannelState {
             )
         };
 
-        info!("Making secure channel request");
-        info!("security_mode = {:?}", security_mode);
-        info!("security_policy = {:?}", security_policy);
+        debug!("Making secure channel request");
+        debug!("security_mode = {:?}", security_mode);
+        debug!("security_policy = {:?}", security_policy);
 
         let requested_lifetime = REQUESTED_LIFETIME;
         let request = OpenSecureChannelRequest {