diff --git a/Cargo.lock b/Cargo.lock
index c23d0bc07..2e6c6fca3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1505,9 +1505,9 @@ checksum = "e6d5a32815ae3f33302d95fdcb2ce17862f8c65363dcfd29360480ba1001fc9c"
 
 [[package]]
 name = "futures"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13e2792b0ff0340399d58445b88fd9770e3489eff258a4cbc1523418f12abf84"
+checksum = "531ac96c6ff5fd7c62263c5e3c67a603af4fcaee2e1a0ae5565ba3a11e69e549"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -1520,9 +1520,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e5317663a9089767a1ec00a487df42e0ca174b61b4483213ac24448e4664df5"
+checksum = "164713a5a0dcc3e7b4b1ed7d3b433cabc18025386f9339346e8daf15963cf7ac"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -1530,15 +1530,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec90ff4d0fe1f57d600049061dc6bb68ed03c7d2fbd697274c41805dcb3f8608"
+checksum = "86d7a0c1aa76363dac491de0ee99faf6941128376f1cf96f07db7603b7de69dd"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8de0a35a6ab97ec8869e32a2473f4b1324459e14c29275d14b10cb1fd19b50e"
+checksum = "1997dd9df74cdac935c76252744c1ed5794fac083242ea4fe77ef3ed60ba0f83"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -1547,15 +1547,15 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfb8371b6fb2aeb2d280374607aeabfc99d95c72edfe51692e42d3d7f0d08531"
+checksum = "89d422fa3cbe3b40dca574ab087abb5bc98258ea57eea3fd6f1fa7162c778b91"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95a73af87da33b5acf53acfebdc339fe592ecf5357ac7c0a7734ab9d8c876a70"
+checksum = "3eb14ed937631bd8b8b8977f2c198443447a8355b6e3ca599f38c975e5a963b6"
 dependencies = [
  "proc-macro2 1.0.47",
  "quote 1.0.20",
@@ -1564,21 +1564,21 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f310820bb3e8cfd46c80db4d7fb8353e15dfff853a127158425f31e0be6c8364"
+checksum = "ec93083a4aecafb2a80a885c9de1f0ccae9dbd32c2bb54b0c3a65690e0b8d2f2"
 
 [[package]]
 name = "futures-task"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf79a1bf610b10f42aea489289c5a2c478a786509693b80cd39c44ccd936366"
+checksum = "fd65540d33b37b16542a0438c12e6aeead10d4ac5d05bd3f805b8f35ab592879"
 
 [[package]]
 name = "futures-util"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c1d6de3acfef38d2be4b1f543f553131788603495be83da675e180c8d6b7bd1"
+checksum = "3ef6b17e481503ec85211fed8f39d1970f128935ca1f814cd32ac4a6842e84ab"
 dependencies = [
  "futures-channel",
  "futures-core",
diff --git a/tower-batch/Cargo.toml b/tower-batch/Cargo.toml
index 9829a605d..023168474 100644
--- a/tower-batch/Cargo.toml
+++ b/tower-batch/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT"
 edition = "2021"
 
 [dependencies]
-futures = "0.3.26"
+futures = "0.3.27"
 futures-core = "0.3.26"
 pin-project = "1.0.12"
 rayon = "1.7.0"
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index ecfb0dc3c..789763994 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -78,7 +78,7 @@ serde_with = "2.3.0"
 serde-big-array = "0.5.1"
 
 # Processing
-futures = "0.3.26"
+futures = "0.3.27"
 itertools = "0.10.5"
 rayon = "1.7.0"
 
diff --git a/zebra-consensus/Cargo.toml b/zebra-consensus/Cargo.toml
index d32c4a251..e5355c556 100644
--- a/zebra-consensus/Cargo.toml
+++ b/zebra-consensus/Cargo.toml
@@ -35,7 +35,7 @@ lazy_static = "1.4.0"
 once_cell = "1.17.1"
 serde = { version = "1.0.154", features = ["serde_derive"] }
 
-futures = "0.3.26"
+futures = "0.3.27"
 futures-util = "0.3.26"
 metrics = "0.20.1"
 thiserror = "1.0.39"
diff --git a/zebra-network/Cargo.toml b/zebra-network/Cargo.toml
index fb4c6e018..be7ec19fc 100644
--- a/zebra-network/Cargo.toml
+++ b/zebra-network/Cargo.toml
@@ -30,7 +30,7 @@ regex = "1.7.1"
 serde = { version = "1.0.154", features = ["serde_derive"] }
 thiserror = "1.0.39"
 
-futures = "0.3.26"
+futures = "0.3.27"
 tokio = { version = "1.26.0", features = ["net", "time", "tracing", "macros", "rt-multi-thread"] }
 tokio-stream = { version = "0.1.12", features = ["sync", "time"] }
 tokio-util = { version = "0.7.7", features = ["codec"] }
diff --git a/zebra-rpc/Cargo.toml b/zebra-rpc/Cargo.toml
index 9ad00e73b..4e70c9998 100644
--- a/zebra-rpc/Cargo.toml
+++ b/zebra-rpc/Cargo.toml
@@ -33,7 +33,7 @@ proptest-impl = [
 
 [dependencies]
 chrono = { version = "0.4.23", default-features = false, features = ["clock", "std"] }
-futures = "0.3.26"
+futures = "0.3.27"
 
 # lightwalletd sends JSON-RPC requests over HTTP 1.1
 hyper = { version = "0.14.24", features = ["http1", "server"] }
diff --git a/zebra-state/Cargo.toml b/zebra-state/Cargo.toml
index d99b69b97..cd99b667b 100644
--- a/zebra-state/Cargo.toml
+++ b/zebra-state/Cargo.toml
@@ -32,7 +32,7 @@ elasticsearch = [
 bincode = "1.3.3"
 chrono = { version = "0.4.23", default-features = false, features = ["clock", "std"] }
 dirs = "4.0.0"
-futures = "0.3.26"
+futures = "0.3.27"
 hex = "0.4.3"
 indexmap = "1.9.2"
 itertools = "0.10.5"
diff --git a/zebra-test/Cargo.toml b/zebra-test/Cargo.toml
index 67ec3bc4e..0e88d7d91 100644
--- a/zebra-test/Cargo.toml
+++ b/zebra-test/Cargo.toml
@@ -19,7 +19,7 @@ regex = "1.7.1"
 
 tokio = { version = "1.26.0", features = ["full", "tracing", "test-util"] }
 tower = { version = "0.4.13", features = ["util"] }
-futures = "0.3.26"
+futures = "0.3.27"
 
 color-eyre = "0.6.2"
 # This is a transitive dependency via color-eyre.
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index 8a2ef8232..0838bb914 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -111,7 +111,7 @@ lazy_static = "1.4.0"
 serde = { version = "1.0.154", features = ["serde_derive"] }
 toml = "0.7.2"
 
-futures = "0.3.26"
+futures = "0.3.27"
 rayon = "1.7.0"
 tokio = { version = "1.26.0", features = ["time", "rt-multi-thread", "macros", "tracing", "signal"] }
 tower = { version = "0.4.13", features = ["hedge", "limit"] }