diff --git a/configure.py b/configure.py
index ac3846a575..dd7b2c8068 100755
--- a/configure.py
+++ b/configure.py
@@ -1602,6 +1602,7 @@ def configure_seastar(build_dir, mode, mode_config):
         '-DSeastar_UNUSED_RESULT_ERROR=ON',
         '-DCMAKE_EXPORT_COMPILE_COMMANDS=ON',
         '-DSeastar_SCHEDULING_GROUPS_COUNT=16',
+        '-DSeastar_IO_URING=OFF', # Fedora 34's liburing is too old
     ] + distro_extra_cmake_args
 
     if args.stack_guards is not None:
diff --git a/seastar b/seastar
index 1424d34c93..443e6a9b77 160000
--- a/seastar
+++ b/seastar
@@ -1 +1 @@
-Subproject commit 1424d34c93846c8e23d60e7550f39d621643ac8e
+Subproject commit 443e6a9b77b1807a7a5c8ad41cd14d8998d48e27