diff --git a/Cargo.lock b/Cargo.lock
index f3af19c5..6af84a46 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1052,9 +1052,9 @@ dependencies = [
 
 [[package]]
 name = "displaydoc"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3274a6bc8a6a4521291b53b9dcb8345e963fe931c3fc462a7d3ead71d7ccd30d"
+checksum = "278ef1934318d524612205f69df005eea30ec10edf7913e500b5a527fce55bc0"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.7",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index c6602d74..d304d595 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -22,7 +22,7 @@ blake2s_simd = "0.5.11"
 bs58 = { version = "0.4", features = ["check"] }
 byteorder = "1.4"
 chrono = { version = "0.4", features = ["serde"] }
-displaydoc = "0.2.1"
+displaydoc = "0.2.2"
 fpe = "0.4"
 futures = "0.3"
 group = "0.10"
diff --git a/zebra-consensus/Cargo.toml b/zebra-consensus/Cargo.toml
index 59b1ee17..6c586e28 100644
--- a/zebra-consensus/Cargo.toml
+++ b/zebra-consensus/Cargo.toml
@@ -10,7 +10,7 @@ blake2b_simd = "0.5.11"
 bellman = "0.10.0"
 bls12_381 = "0.5.0"
 chrono = "0.4.19"
-displaydoc = "0.2.1"
+displaydoc = "0.2.2"
 jubjub = "0.7.0"
 lazy_static = "1.4.0"
 once_cell = "1.8"
diff --git a/zebra-script/Cargo.toml b/zebra-script/Cargo.toml
index 218dcf6c..71f23e11 100644
--- a/zebra-script/Cargo.toml
+++ b/zebra-script/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 zcash_script = "0.1.6-alpha.0"
 zebra-chain = { path = "../zebra-chain" }
 thiserror = "1.0.25"
-displaydoc = "0.2.1"
+displaydoc = "0.2.2"
 
 [dev-dependencies]
 hex = "0.4.3"
diff --git a/zebra-state/Cargo.toml b/zebra-state/Cargo.toml
index a190ec2e..4250e060 100644
--- a/zebra-state/Cargo.toml
+++ b/zebra-state/Cargo.toml
@@ -22,7 +22,7 @@ tower = { version = "0.4", features = ["buffer", "util"] }
 tracing = "0.1"
 thiserror = "1.0.25"
 tokio = { version = "0.3.6", features = ["sync"] }
-displaydoc = "0.2.1"
+displaydoc = "0.2.2"
 rocksdb = "0.16.0"
 tempdir = "0.3.7"
 chrono = "0.4.19"