diff --git a/liburing b/liburing
index 45f0735..10a9ff8 160000
--- a/liburing
+++ b/liburing
@@ -1 +1 @@
-Subproject commit 45f0735219a615ae848033c47c7e2d85d101d43e
+Subproject commit 10a9ff846dd62d2975f791c21731aafe1f8562bb
diff --git a/rusturing.c b/rusturing.c
index 0b5e98d..541d031 100644
--- a/rusturing.c
+++ b/rusturing.c
@@ -41,8 +41,8 @@ extern inline void rust_io_uring_prep_rw(int op,
 }
 
 extern inline void rust_io_uring_prep_splice(struct io_uring_sqe *sqe,
-					int fd_in, loff_t off_in,
-					int fd_out, loff_t off_out,
+					int fd_in, int64_t off_in,
+					int fd_out, int64_t off_out,
 					unsigned int nbytes,
 					unsigned int splice_flags)
 {
diff --git a/src/lib.rs b/src/lib.rs
index a9bb200..5ad5070 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -117,6 +117,9 @@ pub struct io_uring {
     pub cq: io_uring_cq,
     pub flags: libc::c_uint,
     pub ring_fd: libc::c_int,
+
+    pub features: libc::c_uint,
+    pub pad: [libc::c_uint; 3],
 }
 
 #[derive(Debug)]
@@ -136,6 +139,8 @@ pub struct io_uring_sq {
 
     pub ring_sz: libc::size_t,
     pub ring_ptr: *mut libc::c_void,
+
+    pub pad: [libc::c_uint; 4],
 }
 
 #[derive(Debug)]
@@ -151,6 +156,8 @@ pub struct io_uring_cq {
 
     pub ring_sz: libc::size_t,
     pub ring_ptr: *mut libc::c_void,
+
+    pub pad: [libc::c_uint; 4],
 }
 
 #[repr(C)]
@@ -298,6 +305,8 @@ extern {
 
     pub fn io_uring_get_probe() -> *mut io_uring_probe;
 
+    pub fn io_uring_free_probe(probe: *mut io_uring_probe);
+
     pub fn io_uring_dontfork(ring: *mut io_uring) -> libc::c_int;
 
     pub fn io_uring_queue_exit(ring: *mut io_uring);