diff --git a/Cargo.toml b/Cargo.toml
index 3ea51dd..3027273 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ rust-version = "1.82.0"
 base16 = "0.2.1"
 base64 = "0.21.5"
 byteorder = "1.5.0"
-bytes = "1.5.0"
+bytes = "1.9.0"
 chrono = "0.4.38"
 clap = "4.5.9"
 colored = "2.2.0"
diff --git a/src/transport/endpoint.rs b/src/transport/endpoint.rs
index 721210d..1ce9d20 100644
--- a/src/transport/endpoint.rs
+++ b/src/transport/endpoint.rs
@@ -94,7 +94,7 @@ impl EndPoint {
 
     // true if all addresses in addrs field are ipv6
     pub fn is_ipv6(&self) -> bool {
-        self.addrs.iter().all(|a| a.is_ipv6())
+        !self.addrs.is_empty() && self.addrs.iter().all(|a| a.is_ipv6())
     }
 
     // test if a string ip is IPV6. Used to disambiguate from cases where port is added
diff --git a/tests/venom/endpoint-ipv4.yml b/tests/venom/endpoint-ipv4.yml
index 66bacf7..637d5df 100644
--- a/tests/venom/endpoint-ipv4.yml
+++ b/tests/venom/endpoint-ipv4.yml
@@ -3,7 +3,7 @@ name: DQY binary test  (endpoints v4)
 testcases:
   - name: use host resolver
     steps:
-    - script: dqy A www.google.com
+    - script: dqy A www.google.com -vvvvv
       assertions:
       - result.code ShouldEqual 0