diff --git a/Cargo.lock b/Cargo.lock
index 46120eb..e0ab8a1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -995,20 +995,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "h3"
-version = "0.0.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dfb059a4f28a66f186ed16ad912d142f490676acba59353831d7cb45a96b0d3"
-dependencies = [
- "bytes",
- "fastrand",
- "futures-util",
- "http",
- "pin-project-lite",
- "tokio",
-]
-
 [[package]]
 name = "h3"
 version = "0.0.8"
@@ -1032,7 +1018,7 @@ checksum = "8b2e732c8d91a74731663ac8479ab505042fbf547b9a207213ab7fbcbfc4f8b4"
 dependencies = [
  "bytes",
  "futures",
- "h3 0.0.8",
+ "h3",
  "quinn",
  "tokio",
  "tokio-util",
@@ -2173,7 +2159,7 @@ dependencies = [
  "futures",
  "futures-channel",
  "futures-util",
- "h3 0.0.8",
+ "h3",
  "h3-quinn",
  "hot_reload",
  "http",
@@ -2457,7 +2443,7 @@ version = "0.1.0"
 dependencies = [
  "bytes",
  "futures",
- "h3 0.0.7",
+ "h3",
  "s2n-quic",
  "tracing",
 ]
diff --git a/rpxy-bin/Cargo.toml b/rpxy-bin/Cargo.toml
index 6e52772..911aadb 100644
--- a/rpxy-bin/Cargo.toml
+++ b/rpxy-bin/Cargo.toml
@@ -13,8 +13,8 @@ publish.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [features]
-default = ["http3-quinn", "cache", "rustls-backend", "acme", "post-quantum"]
-# default = ["http3-s2n", "cache", "rustls-backend", "acme", "post-quantum"]
+# default = ["http3-quinn", "cache", "rustls-backend", "acme", "post-quantum"]
+default = ["http3-s2n", "cache", "rustls-backend", "acme", "post-quantum"]
 http3-quinn = ["rpxy-lib/http3-quinn"]
 http3-s2n = ["rpxy-lib/http3-s2n"]
 native-tls-backend = ["rpxy-lib/native-tls-backend"]
diff --git a/submodules/s2n-quic b/submodules/s2n-quic
index f9d0c4f..4ef7425 160000
--- a/submodules/s2n-quic
+++ b/submodules/s2n-quic
@@ -1 +1 @@
-Subproject commit f9d0c4feb83160b6fe66fe34da76c443fc2b381c
+Subproject commit 4ef74256bcf8d04e218d88bb72856da332d3e8c2