diff --git a/Cargo.lock b/Cargo.lock
index b0081454..7af91b7f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4231,9 +4231,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.21.2"
+version = "1.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9e03c497dc955702ba729190dc4aac6f2a0ce97f913e5b1b5912fc5039d9099"
+checksum = "d76ce4a75fb488c605c54bf610f221cea8b0dafb53333c1a67e8ee199dcd2ae3"
 dependencies = [
  "autocfg",
  "bytes",
diff --git a/tower-batch/Cargo.toml b/tower-batch/Cargo.toml
index b0013b4e..423258e8 100644
--- a/tower-batch/Cargo.toml
+++ b/tower-batch/Cargo.toml
@@ -10,7 +10,7 @@ futures = "0.3.25"
 futures-core = "0.3.25"
 pin-project = "1.0.12"
 rayon = "1.5.3"
-tokio = { version = "1.21.2", features = ["time", "sync", "tracing", "macros"] }
+tokio = { version = "1.22.0", features = ["time", "sync", "tracing", "macros"] }
 tokio-util = "0.7.4"
 tower = { version = "0.4.13", features = ["util", "buffer"] }
 tracing = "0.1.37"
@@ -25,7 +25,7 @@ tinyvec = { version = "1.6.0", features = ["rustc_1_55"] }
 ed25519-zebra = "3.1.0"
 rand = { version = "0.8.5", package = "rand" }
 
-tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
+tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 tokio-test = "0.4.2"
 tower-fallback = { path = "../tower-fallback/" }
 tower-test = "0.4.0"
diff --git a/tower-fallback/Cargo.toml b/tower-fallback/Cargo.toml
index c27530b9..68c49ffa 100644
--- a/tower-fallback/Cargo.toml
+++ b/tower-fallback/Cargo.toml
@@ -12,6 +12,6 @@ futures-core = "0.3.25"
 tracing = "0.1.37"
 
 [dev-dependencies]
-tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
+tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 
 zebra-test = { path = "../zebra-test/" }
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 010393fa..cfb90cdc 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -95,7 +95,7 @@ proptest-derive = { version = "0.3.0", optional = true }
 rand = { version = "0.8.5", optional = true, package = "rand" }
 rand_chacha = { version = "0.3.1", optional = true }
 
-tokio = { version = "1.21.2", features = ["tracing"], optional = true }
+tokio = { version = "1.22.0", features = ["tracing"], optional = true }
 
 zebra-test = { path = "../zebra-test/", optional = true }
 
@@ -118,7 +118,7 @@ proptest-derive = "0.3.0"
 rand = { version = "0.8.5", package = "rand" }
 rand_chacha = "0.3.1"
 
-tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
+tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 
 zebra-test = { path = "../zebra-test/" }
 
diff --git a/zebra-consensus/Cargo.toml b/zebra-consensus/Cargo.toml
index c4782d55..4a964fcf 100644
--- a/zebra-consensus/Cargo.toml
+++ b/zebra-consensus/Cargo.toml
@@ -30,7 +30,7 @@ futures = "0.3.25"
 futures-util = "0.3.25"
 metrics = "0.20.1"
 thiserror = "1.0.37"
-tokio = { version = "1.21.2", features = ["time", "sync", "tracing", "rt-multi-thread"] }
+tokio = { version = "1.22.0", features = ["time", "sync", "tracing", "rt-multi-thread"] }
 tower = { version = "0.4.13", features = ["timeout", "util", "buffer"] }
 tracing = "0.1.37"
 tracing-futures = "0.2.5"
@@ -60,7 +60,7 @@ proptest = "0.10.1"
 proptest-derive = "0.3.0"
 spandoc = "0.2.2"
 
-tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
+tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 tracing-error = "0.2.0"
 tracing-subscriber = "0.3.16"
 
diff --git a/zebra-network/Cargo.toml b/zebra-network/Cargo.toml
index f2da5a4a..1ce31cea 100644
--- a/zebra-network/Cargo.toml
+++ b/zebra-network/Cargo.toml
@@ -31,7 +31,7 @@ serde = { version = "1.0.147", features = ["serde_derive"] }
 thiserror = "1.0.37"
 
 futures = "0.3.25"
-tokio = { version = "1.21.2", features = ["net", "time", "tracing", "macros", "rt-multi-thread"] }
+tokio = { version = "1.22.0", features = ["net", "time", "tracing", "macros", "rt-multi-thread"] }
 tokio-stream = { version = "0.1.11", features = ["sync", "time"] }
 tokio-util = { version = "0.7.4", features = ["codec"] }
 tower = { version = "0.4.13", features = ["retry", "discover", "load", "load-shed", "timeout", "util", "buffer"] }
@@ -57,7 +57,7 @@ proptest = "0.10.1"
 proptest-derive = "0.3.0"
 
 static_assertions = "1.1.0"
-tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
+tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 toml = "0.5.9"
 
 zebra-chain = { path = "../zebra-chain", features = ["proptest-impl"] }
diff --git a/zebra-rpc/Cargo.toml b/zebra-rpc/Cargo.toml
index dea4e481..630512db 100644
--- a/zebra-rpc/Cargo.toml
+++ b/zebra-rpc/Cargo.toml
@@ -45,7 +45,7 @@ num_cpus = "1.14.0"
 serde_json = { version = "1.0.87", features = ["preserve_order"] }
 indexmap = { version = "1.9.2", features = ["serde"] }
 
-tokio = { version = "1.21.2", features = ["time", "rt-multi-thread", "macros", "tracing"] }
+tokio = { version = "1.22.0", features = ["time", "rt-multi-thread", "macros", "tracing"] }
 tower = "0.4.13"
 
 tracing = "0.1.37"
@@ -70,7 +70,7 @@ proptest = "0.10.1"
 proptest-derive = "0.3.0"
 thiserror = "1.0.37"
 
-tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
+tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 
 zebra-chain = { path = "../zebra-chain", features = ["proptest-impl"] }
 zebra-state = { path = "../zebra-state", features = ["proptest-impl"] }
diff --git a/zebra-state/Cargo.toml b/zebra-state/Cargo.toml
index f9eb980c..bfa49fbf 100644
--- a/zebra-state/Cargo.toml
+++ b/zebra-state/Cargo.toml
@@ -42,7 +42,7 @@ tempfile = "3.3.0"
 thiserror = "1.0.37"
 
 rayon = "1.5.3"
-tokio = { version = "1.21.2", features = ["sync", "tracing"] }
+tokio = { version = "1.22.0", features = ["sync", "tracing"] }
 tower = { version = "0.4.13", features = ["buffer", "util"] }
 tracing = "0.1.37"
 
@@ -70,7 +70,7 @@ proptest-derive = "0.3.0"
 halo2 = { package = "halo2_proofs", version = "0.2.0" }
 jubjub = "0.9.0"
 
-tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
+tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 
 zebra-chain = { path = "../zebra-chain", features = ["proptest-impl"] }
 zebra-test = { path = "../zebra-test/" }
diff --git a/zebra-test/Cargo.toml b/zebra-test/Cargo.toml
index e1d782c6..ecd166ac 100644
--- a/zebra-test/Cargo.toml
+++ b/zebra-test/Cargo.toml
@@ -17,7 +17,7 @@ once_cell = "1.16.0"
 rand = { version = "0.8.5", package = "rand" }
 regex = "1.7.0"
 
-tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
+tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 tower = { version = "0.4.13", features = ["util"] }
 futures = "0.3.25"
 
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index 75b37617..e413ac84 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -103,7 +103,7 @@ toml = "0.5.9"
 
 futures = "0.3.25"
 rayon = "1.5.3"
-tokio = { version = "1.21.2", features = ["time", "rt-multi-thread", "macros", "tracing", "signal"] }
+tokio = { version = "1.22.0", features = ["time", "rt-multi-thread", "macros", "tracing", "signal"] }
 tower = { version = "0.4.13", features = ["hedge", "limit"] }
 pin-project = "1.0.12"
 
@@ -178,7 +178,7 @@ tempfile = "3.3.0"
 hyper = { version = "0.14.23", features = ["http1", "http2", "server"]}
 reqwest = "0.11.13"
 
-tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }
+tokio = { version = "1.22.0", features = ["full", "tracing", "test-util"] }
 tokio-stream = "0.1.11"
 
 # test feature lightwalletd-grpc-tests