diff --git a/Cargo.lock b/Cargo.lock
index 6ceceef66..ee55bbd43 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -463,9 +463,9 @@ dependencies = [
 
 [[package]]
 name = "io-uring"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f7589adca0ddd74f56ed83a5098b45e3abf264dc27e150a8bec3397fcc34338"
+checksum = "4e06a309d419b77e3036c1eb5683482c9ee51cff165e448d04bd601b6cd16360"
 dependencies = [
  "bitflags 1.2.1",
  "libc",
diff --git a/block_util/src/raw_async.rs b/block_util/src/raw_async.rs
index 6c585d03c..5fdd8f152 100644
--- a/block_util/src/raw_async.rs
+++ b/block_util/src/raw_async.rs
@@ -5,7 +5,7 @@
 use crate::async_io::{
     AsyncIo, AsyncIoError, AsyncIoResult, DiskFile, DiskFileError, DiskFileResult,
 };
-use io_uring::{opcode, squeue, IoUring};
+use io_uring::{opcode, squeue, types, IoUring};
 use std::fs::File;
 use std::io::{Seek, SeekFrom};
 use std::os::unix::io::{AsRawFd, RawFd};
@@ -71,28 +71,23 @@ impl AsyncIo for RawFileAsync {
         iovecs: Vec<libc::iovec>,
         user_data: u64,
     ) -> AsyncIoResult<()> {
-        let (submitter, sq, _) = self.io_uring.split();
-        let mut avail_sq = sq.available();
+        let (submitter, mut sq, _) = self.io_uring.split();
 
         // Safe because we know the file descriptor is valid and we
         // relied on vm-memory to provide the buffer address.
         let _ = unsafe {
-            avail_sq.push(
-                opcode::Readv::new(
-                    opcode::types::Fd(self.fd),
-                    iovecs.as_ptr(),
-                    iovecs.len() as u32,
-                )
-                .offset(offset)
-                .build()
-                .flags(squeue::Flags::ASYNC)
-                .user_data(user_data),
+            sq.push(
+                &opcode::Readv::new(types::Fd(self.fd), iovecs.as_ptr(), iovecs.len() as u32)
+                    .offset(offset)
+                    .build()
+                    .flags(squeue::Flags::ASYNC)
+                    .user_data(user_data),
             )
         };
 
         // Update the submission queue and submit new operations to the
         // io_uring instance.
-        avail_sq.sync();
+        sq.sync();
         submitter.submit().map_err(AsyncIoError::ReadVectored)?;
 
         Ok(())
@@ -104,28 +99,23 @@ impl AsyncIo for RawFileAsync {
         iovecs: Vec<libc::iovec>,
         user_data: u64,
     ) -> AsyncIoResult<()> {
-        let (submitter, sq, _) = self.io_uring.split();
-        let mut avail_sq = sq.available();
+        let (submitter, mut sq, _) = self.io_uring.split();
 
         // Safe because we know the file descriptor is valid and we
         // relied on vm-memory to provide the buffer address.
         let _ = unsafe {
-            avail_sq.push(
-                opcode::Writev::new(
-                    opcode::types::Fd(self.fd),
-                    iovecs.as_ptr(),
-                    iovecs.len() as u32,
-                )
-                .offset(offset)
-                .build()
-                .flags(squeue::Flags::ASYNC)
-                .user_data(user_data),
+            sq.push(
+                &opcode::Writev::new(types::Fd(self.fd), iovecs.as_ptr(), iovecs.len() as u32)
+                    .offset(offset)
+                    .build()
+                    .flags(squeue::Flags::ASYNC)
+                    .user_data(user_data),
             )
         };
 
         // Update the submission queue and submit new operations to the
         // io_uring instance.
-        avail_sq.sync();
+        sq.sync();
         submitter.submit().map_err(AsyncIoError::WriteVectored)?;
 
         Ok(())
@@ -133,13 +123,12 @@ impl AsyncIo for RawFileAsync {
 
     fn fsync(&mut self, user_data: Option<u64>) -> AsyncIoResult<()> {
         if let Some(user_data) = user_data {
-            let (submitter, sq, _) = self.io_uring.split();
-            let mut avail_sq = sq.available();
+            let (submitter, mut sq, _) = self.io_uring.split();
 
             // Safe because we know the file descriptor is valid.
             let _ = unsafe {
-                avail_sq.push(
-                    opcode::Fsync::new(opcode::types::Fd(self.fd))
+                sq.push(
+                    &opcode::Fsync::new(types::Fd(self.fd))
                         .build()
                         .flags(squeue::Flags::ASYNC)
                         .user_data(user_data),
@@ -148,7 +137,7 @@ impl AsyncIo for RawFileAsync {
 
             // Update the submission queue and submit new operations to the
             // io_uring instance.
-            avail_sq.sync();
+            sq.sync();
             submitter.submit().map_err(AsyncIoError::Fsync)?;
         } else {
             unsafe { libc::fsync(self.fd) };
@@ -161,7 +150,7 @@ impl AsyncIo for RawFileAsync {
         let mut completion_list = Vec::new();
 
         let cq = self.io_uring.completion();
-        for cq_entry in cq.available() {
+        for cq_entry in cq {
             completion_list.push((cq_entry.user_data(), cq_entry.result()));
         }
 
diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index e3f9408be..70d4f7b2d 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -273,9 +273,9 @@ dependencies = [
 
 [[package]]
 name = "io-uring"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f7589adca0ddd74f56ed83a5098b45e3abf264dc27e150a8bec3397fcc34338"
+checksum = "4e06a309d419b77e3036c1eb5683482c9ee51cff165e448d04bd601b6cd16360"
 dependencies = [
  "bitflags",
  "libc",
@@ -512,9 +512,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.63"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43535db9747a4ba938c0ce0a98cc631a46ebf943c9e1d604e091df6007620bf6"
+checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
 dependencies = [
  "itoa",
  "ryu",