diff --git a/summoner/logger.py b/summoner/logger.py
index 23b08a7..3393e46 100644
--- a/summoner/logger.py
+++ b/summoner/logger.py
@@ -171,8 +171,10 @@ def configure_logger(logger: logging.Logger, logger_cfg: dict[str, Any]) -> None
       - backup_count (int)
       - log_keys (list[str] or None)
     """
-    # 0) Remove any existing handlers
+    # 0) Remove only handlers we manage (need handler._keep = True)
     for handler in list(logger.handlers):
+        if getattr(handler, "_keep", False):
+            continue
         logger.removeHandler(handler)
 
     # 1) Set the logger's level once
diff --git a/summoner/rust/rust_server_v1_0_0/Cargo.lock b/summoner/rust/rust_server_v1_0_0/Cargo.lock
index 091eb3d..d6fb982 100644
--- a/summoner/rust/rust_server_v1_0_0/Cargo.lock
+++ b/summoner/rust/rust_server_v1_0_0/Cargo.lock
@@ -67,9 +67,9 @@ checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
 
 [[package]]
 name = "bytes"
-version = "1.10.1"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a"
+checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
 
 [[package]]
 name = "cc"
diff --git a/summoner/rust/rust_server_v1_0_0/Cargo.toml b/summoner/rust/rust_server_v1_0_0/Cargo.toml
index e96f950..e525090 100644
--- a/summoner/rust/rust_server_v1_0_0/Cargo.toml
+++ b/summoner/rust/rust_server_v1_0_0/Cargo.toml
@@ -16,5 +16,5 @@ chrono = "0.4"
 fern = { version = "0.6", features = ["colored"] }                                  # ✅ Pretty logger + file support
 serde_json = "1.0"
 serde = { version = "1.0", features = ["derive"] }
-bytes = "1.4"
+bytes = "1.11.1"
 num_cpus = "1.13"
diff --git a/summoner/rust/rust_server_v1_1_0/Cargo.toml b/summoner/rust/rust_server_v1_1_0/Cargo.toml
index afc1e64..cbbcba5 100644
--- a/summoner/rust/rust_server_v1_1_0/Cargo.toml
+++ b/summoner/rust/rust_server_v1_1_0/Cargo.toml
@@ -16,5 +16,5 @@ chrono = "0.4"
 fern = { version = "0.6", features = ["colored"] }                                  # ✅ Pretty logger + file support
 serde_json = "1.0"
 serde = { version = "1.0", features = ["derive"] }
-bytes = "1.4"
+bytes = "1.11.1"
 num_cpus = "1.13"