diff --git a/Cargo.lock b/Cargo.lock
index 49774a42..0f4d9c74 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1273,13 +1273,13 @@ dependencies = [
 
 [[package]]
 name = "displaydoc"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bf95dc3f046b9da4f2d51833c0d3547d8564ef6910f5c1ed130306a75b92886"
+checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2 1.0.56",
  "quote 1.0.26",
- "syn 1.0.109",
+ "syn 2.0.15",
 ]
 
 [[package]]
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 9f0ceea0..cfdbb0f5 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -73,7 +73,7 @@ chrono = { version = "0.4.24", default-features = false, features = ["clock", "s
 humantime = "2.1.0"
 
 # Error Handling & Formatting
-displaydoc = "0.2.3"
+displaydoc = "0.2.4"
 static_assertions = "1.1.0"
 thiserror = "1.0.40"
 tracing = "0.1.37"
diff --git a/zebra-consensus/Cargo.toml b/zebra-consensus/Cargo.toml
index b73dc719..7b94d003 100644
--- a/zebra-consensus/Cargo.toml
+++ b/zebra-consensus/Cargo.toml
@@ -35,7 +35,7 @@ rand = { version = "0.8.5", package = "rand" }
 rayon = "1.7.0"
 
 chrono = { version = "0.4.24", default-features = false, features = ["clock", "std"] }
-displaydoc = "0.2.3"
+displaydoc = "0.2.4"
 lazy_static = "1.4.0"
 once_cell = "1.17.1"
 serde = { version = "1.0.160", features = ["serde_derive"] }
diff --git a/zebra-script/Cargo.toml b/zebra-script/Cargo.toml
index 586dfd19..1c11afdf 100644
--- a/zebra-script/Cargo.toml
+++ b/zebra-script/Cargo.toml
@@ -13,7 +13,7 @@ zcash_script = "0.1.11"
 zebra-chain = { path = "../zebra-chain" }
 
 thiserror = "1.0.40"
-displaydoc = "0.2.3"
+displaydoc = "0.2.4"
 
 [dev-dependencies]
 hex = "0.4.3"