diff --git a/Cargo.lock b/Cargo.lock
index 8060b8b5..a2fcc2da 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4569,9 +4569,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.8"
+version = "0.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
+checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
 dependencies = [
  "serde",
 ]
diff --git a/zebra-network/Cargo.toml b/zebra-network/Cargo.toml
index 4c8595c1..35438584 100644
--- a/zebra-network/Cargo.toml
+++ b/zebra-network/Cargo.toml
@@ -53,7 +53,7 @@ proptest-derive = "0.3.0"
 
 static_assertions = "1.1.0"
 tokio = { version = "1.17.0", features = ["test-util"] }
-toml = "0.5.8"
+toml = "0.5.9"
 
 zebra-chain = { path = "../zebra-chain", features = ["proptest-impl"] }
 zebra-test = { path = "../zebra-test/" }
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index a61150da..0fe98129 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -33,7 +33,7 @@ chrono = "0.4.19"
 indexmap = "1.8.1"
 lazy_static = "1.4.0"
 serde = { version = "1.0.136", features = ["serde_derive"] }
-toml = "0.5.8"
+toml = "0.5.9"
 
 hyper = { version = "0.14.18", features = ["full"] }
 futures = "0.3.21"