diff --git a/Cargo.lock b/Cargo.lock
index 88f04e8d..827ea853 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4003,9 +4003,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.154"
+version = "1.0.156"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cdd151213925e7f1ab45a9bbfb129316bd00799784b174b7cc7bcd16961c49e"
+checksum = "314b5b092c0ade17c00142951e50ced110ec27cea304b1037c6969246c2469a4"
 dependencies = [
  "serde_derive",
 ]
@@ -4021,9 +4021,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.154"
+version = "1.0.156"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fc80d722935453bcafdc2c9a73cd6fac4dc1938f0346035d84bf99fa9e33217"
+checksum = "d7e29c4601e36bcec74a223228dce795f4cd3616341a4af93520ca1a837c087d"
 dependencies = [
  "proc-macro2 1.0.47",
  "quote 1.0.20",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 35e0aa17..63d4d6bc 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -73,7 +73,7 @@ tracing = "0.1.37"
 
 # Serialization
 hex = { version = "0.4.3", features = ["serde"] }
-serde = { version = "1.0.154", features = ["serde_derive", "rc"] }
+serde = { version = "1.0.156", features = ["serde_derive", "rc"] }
 serde_with = "2.3.1"
 serde-big-array = "0.5.1"
 
diff --git a/zebra-consensus/Cargo.toml b/zebra-consensus/Cargo.toml
index 77f62cf0..684bd355 100644
--- a/zebra-consensus/Cargo.toml
+++ b/zebra-consensus/Cargo.toml
@@ -33,7 +33,7 @@ chrono = { version = "0.4.24", default-features = false, features = ["clock", "s
 displaydoc = "0.2.3"
 lazy_static = "1.4.0"
 once_cell = "1.17.1"
-serde = { version = "1.0.154", features = ["serde_derive"] }
+serde = { version = "1.0.156", features = ["serde_derive"] }
 
 futures = "0.3.27"
 futures-util = "0.3.26"
diff --git a/zebra-network/Cargo.toml b/zebra-network/Cargo.toml
index 72fee459..6691a079 100644
--- a/zebra-network/Cargo.toml
+++ b/zebra-network/Cargo.toml
@@ -27,7 +27,7 @@ pin-project = "1.0.12"
 rand = { version = "0.8.5", package = "rand" }
 rayon = "1.7.0"
 regex = "1.7.1"
-serde = { version = "1.0.154", features = ["serde_derive"] }
+serde = { version = "1.0.156", features = ["serde_derive"] }
 thiserror = "1.0.39"
 
 futures = "0.3.27"
diff --git a/zebra-rpc/Cargo.toml b/zebra-rpc/Cargo.toml
index d71a8c5f..4d0def02 100644
--- a/zebra-rpc/Cargo.toml
+++ b/zebra-rpc/Cargo.toml
@@ -53,7 +53,7 @@ tower = "0.4.13"
 tracing = "0.1.37"
 
 hex = { version = "0.4.3", features = ["serde"] }
-serde = { version = "1.0.154", features = ["serde_derive"] }
+serde = { version = "1.0.156", features = ["serde_derive"] }
 
 # Experimental feature getblocktemplate-rpcs
 rand = { version = "0.8.5", package = "rand", optional = true }
diff --git a/zebra-state/Cargo.toml b/zebra-state/Cargo.toml
index b9cc2156..5f5b9830 100644
--- a/zebra-state/Cargo.toml
+++ b/zebra-state/Cargo.toml
@@ -42,7 +42,7 @@ mset = "0.1.1"
 regex = "1.7.1"
 rlimit = "0.9.1"
 rocksdb = { version = "0.20.1", default_features = false, features = ["lz4"] }
-serde = { version = "1.0.154", features = ["serde_derive"] }
+serde = { version = "1.0.156", features = ["serde_derive"] }
 tempfile = "3.4.0"
 thiserror = "1.0.39"
 
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index 249b9320..00abfcb2 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -108,7 +108,7 @@ chrono = { version = "0.4.24", default-features = false, features = ["clock", "s
 humantime-serde = "1.1.1"
 indexmap = "1.9.2"
 lazy_static = "1.4.0"
-serde = { version = "1.0.154", features = ["serde_derive"] }
+serde = { version = "1.0.156", features = ["serde_derive"] }
 toml = "0.7.2"
 
 futures = "0.3.27"