diff --git a/interop/src/main.rs b/interop/src/main.rs
index 1dfc78012..4842c5c54 100644
--- a/interop/src/main.rs
+++ b/interop/src/main.rs
@@ -8,8 +8,10 @@ use tokio::runtime::current_thread::Runtime;
 
 use bytes::{Bytes, BytesMut};
 use failure::{format_err, Error};
-use quinn_h3::frame::{HeadersFrame, HttpFrame, SettingsFrame};
-use quinn_h3::StreamType;
+use quinn_h3::proto::{
+    frame::{HeadersFrame, HttpFrame, SettingsFrame},
+    StreamType,
+};
 use slog::{o, warn, Drain, Logger};
 
 type Result<T> = std::result::Result<T, Error>;
diff --git a/quinn-h3/src/lib.rs b/quinn-h3/src/lib.rs
index f34c2633a..73700f363 100644
--- a/quinn-h3/src/lib.rs
+++ b/quinn-h3/src/lib.rs
@@ -9,32 +9,5 @@ extern crate proptest;
 #[macro_use]
 extern crate assert_matches;
 
-extern crate quinn_proto;
-pub mod frame;
+pub mod proto;
 pub mod qpack;
-
-use bytes::BufMut;
-use quinn_proto::coding::BufMutExt;
-
-pub struct StreamType(u64);
-
-macro_rules! stream_types {
-    {$($name:ident = $val:expr,)*} => {
-        impl StreamType {
-            $(pub const $name: StreamType = StreamType($val);)*
-        }
-    }
-}
-
-stream_types! {
-    CONTROL = 0x00,
-    PUSH = 0x01,
-    ENCODER = 0x02,
-    DECODER = 0x03,
-}
-
-impl StreamType {
-    pub fn encode<W: BufMut>(&self, buf: &mut W) {
-        buf.write_var(self.0);
-    }
-}
diff --git a/quinn-h3/src/frame.rs b/quinn-h3/src/proto/frame.rs
similarity index 98%
rename from quinn-h3/src/frame.rs
rename to quinn-h3/src/proto/frame.rs
index 8db1202e4..965e9710d 100644
--- a/quinn-h3/src/frame.rs
+++ b/quinn-h3/src/proto/frame.rs
@@ -426,6 +426,8 @@ mod tests {
             HttpFrame::Settings(SettingsFrame {
                 num_placeholders: 0xfada,
                 max_header_list_size: 0xfada,
+                qpack_max_table_capacity: 0,
+                qpack_blocked_streams: 0,
             })
         );
     }
@@ -453,6 +455,8 @@ mod tests {
             Ok(HttpFrame::Settings(SettingsFrame {
                 num_placeholders: 16,
                 max_header_list_size: 0xFADA,
+                qpack_max_table_capacity: 0,
+                qpack_blocked_streams: 0,
             }))
         );
     }
diff --git a/quinn-h3/src/proto/mod.rs b/quinn-h3/src/proto/mod.rs
new file mode 100644
index 000000000..72b49e2fa
--- /dev/null
+++ b/quinn-h3/src/proto/mod.rs
@@ -0,0 +1,27 @@
+use bytes::BufMut;
+use quinn_proto::coding::BufMutExt;
+
+pub mod frame;
+
+pub struct StreamType(u64);
+
+macro_rules! stream_types {
+    {$($name:ident = $val:expr,)*} => {
+        impl StreamType {
+            $(pub const $name: StreamType = StreamType($val);)*
+        }
+    }
+}
+
+stream_types! {
+    CONTROL = 0x00,
+    PUSH = 0x01,
+    ENCODER = 0x02,
+    DECODER = 0x03,
+}
+
+impl StreamType {
+    pub fn encode<W: BufMut>(&self, buf: &mut W) {
+        buf.write_var(self.0);
+    }
+}