diff --git a/Cargo.lock b/Cargo.lock
index 0d4f802f..87f07f80 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5120,9 +5120,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.39.3"
+version = "1.40.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9babc99b9923bfa4804bd74722ff02c0381021eafa4db9949217e3be8e84fff5"
+checksum = "e2b070231665d27ad9ec9b8df639893f46727666c6767db40317fbe920a5d998"
 dependencies = [
  "backtrace",
  "bytes",
diff --git a/Cargo.toml b/Cargo.toml
index 2114c742..bf4b0a1a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ sha2 = "0.10.8"
 subtle = "2.6.1"
 thiserror = "1.0.63"
 time = { version = "0.3.36", features = ["serde", "serde-well-known"] }
-tokio = { version = "1.39.3", features = ["full"] }
+tokio = { version = "1.40.0", features = ["full"] }
 tracing = "0.1.40"
 trillium = "0.2.20"
 tracing-chrome = "0.7.2"
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index d432b835..d3e9693f 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -50,4 +50,4 @@ janus_collector = "0.7.21"
 url = "2.5.2"
 janus_messages = "0.7.32"
 prio = "0.16.7"
-tokio = { version = "1.39.3" }
+tokio = { version = "1.40.0" }