diff --git a/transports/http3-quiche/third_party/boringssl/src b/transports/http3-quiche/third_party/boringssl/src
index ec6cb3e..9cac8a6 160000
--- a/transports/http3-quiche/third_party/boringssl/src
+++ b/transports/http3-quiche/third_party/boringssl/src
@@ -1 +1 @@
-Subproject commit ec6cb3e3a016a8e7ffee42d589d423e6057f21bf
+Subproject commit 9cac8a6b38c1cbd45c77aee108411d588da006fe
diff --git a/transports/http3-quiche/third_party/quiche b/transports/http3-quiche/third_party/quiche
index 5f41064..dc26229 160000
--- a/transports/http3-quiche/third_party/quiche
+++ b/transports/http3-quiche/third_party/quiche
@@ -1 +1 @@
-Subproject commit 5f41064f20a12fe4ecc50c076bf6743da15739f9
+Subproject commit dc262295cdd5953008f318c1f4e95f5dc527277e