diff --git a/Cargo.lock b/Cargo.lock
index 97b226d1280..9690d2bc052 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3507,6 +3507,17 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "io-uring"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b86e202f00093dcba4275d4636b93ef9dd75d025ae560d2521b45ea28ab49013"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "libc",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.11.0"
@@ -5463,17 +5474,19 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.45.1"
+version = "1.46.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75ef51a33ef1da925cea3e4eb122833cb377c61439ca401b770f54902b806779"
+checksum = "0cc3a2344dafbe23a245241fe8b09735b521110d30fcefbbd5feb1797ca35d17"
 dependencies = [
  "backtrace",
  "bytes",
+ "io-uring",
  "libc",
  "mio",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
+ "slab",
  "socket2",
  "tokio-macros",
  "windows-sys 0.52.0",
diff --git a/rs/backend/Cargo.toml b/rs/backend/Cargo.toml
index ad9808e0a6f..329d2d62222 100644
--- a/rs/backend/Cargo.toml
+++ b/rs/backend/Cargo.toml
@@ -50,7 +50,7 @@ pretty_assertions = "1.4.0"
 proptest = "1.6.0"
 rand = "0.9.0"
 slotmap = "1"
-tokio = { version = "1.39.3", features = ["full"] }
+tokio = { version = "1.46.1", features = ["full"] }
 
 [features]
 # Build flavours; these should not normally be referred to directly in code.