diff --git a/Cargo.lock b/Cargo.lock
index d525788b2..908a80209 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -688,9 +688,9 @@ dependencies = [
 
 [[package]]
 name = "chrono"
-version = "0.4.29"
+version = "0.4.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d87d9d13be47a5b7c3907137f1290b0459a7f80efb26be8c52afb11963bccb02"
+checksum = "defd4e7873dbddba6c7c91e199c7fcb946abc4a6a4ac3195400bcfb01b5de877"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 085bfb692..11aa84988 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -85,7 +85,7 @@ zcash_note_encryption = "0.4.0"
 zcash_primitives = { version = "0.12.0", features = ["transparent-inputs"] }
 
 # Time
-chrono = { version = "0.4.29", default-features = false, features = ["clock", "std", "serde"] }
+chrono = { version = "0.4.30", default-features = false, features = ["clock", "std", "serde"] }
 humantime = "2.1.0"
 
 # Error Handling & Formatting
diff --git a/zebra-consensus/Cargo.toml b/zebra-consensus/Cargo.toml
index 32760e777..d3a92a996 100644
--- a/zebra-consensus/Cargo.toml
+++ b/zebra-consensus/Cargo.toml
@@ -43,7 +43,7 @@ jubjub = "0.10.0"
 rand = "0.8.5"
 rayon = "1.7.0"
 
-chrono = { version = "0.4.29", default-features = false, features = ["clock", "std"] }
+chrono = { version = "0.4.30", default-features = false, features = ["clock", "std"] }
 displaydoc = "0.2.4"
 lazy_static = "1.4.0"
 once_cell = "1.18.0"
diff --git a/zebra-network/Cargo.toml b/zebra-network/Cargo.toml
index 6647cbaaf..be9e58ce6 100644
--- a/zebra-network/Cargo.toml
+++ b/zebra-network/Cargo.toml
@@ -43,7 +43,7 @@ proptest-impl = ["proptest", "proptest-derive", "zebra-chain/proptest-impl"]
 bitflags = "2.4.0"
 byteorder = "1.4.3"
 bytes = "1.4.0"
-chrono = { version = "0.4.29", default-features = false, features = ["clock", "std"] }
+chrono = { version = "0.4.30", default-features = false, features = ["clock", "std"] }
 dirs = "5.0.1"
 hex = "0.4.3"
 humantime-serde = "1.1.1"
diff --git a/zebra-rpc/Cargo.toml b/zebra-rpc/Cargo.toml
index 3b26aaf4d..da24916c6 100644
--- a/zebra-rpc/Cargo.toml
+++ b/zebra-rpc/Cargo.toml
@@ -39,7 +39,7 @@ proptest-impl = [
 ]
 
 [dependencies]
-chrono = { version = "0.4.29", default-features = false, features = ["clock", "std"] }
+chrono = { version = "0.4.30", default-features = false, features = ["clock", "std"] }
 futures = "0.3.28"
 
 # lightwalletd sends JSON-RPC requests over HTTP 1.1
diff --git a/zebra-state/Cargo.toml b/zebra-state/Cargo.toml
index afc196939..f1dadc9a1 100644
--- a/zebra-state/Cargo.toml
+++ b/zebra-state/Cargo.toml
@@ -44,7 +44,7 @@ elasticsearch = [
 
 [dependencies]
 bincode = "1.3.3"
-chrono = { version = "0.4.29", default-features = false, features = ["clock", "std"] }
+chrono = { version = "0.4.30", default-features = false, features = ["clock", "std"] }
 dirs = "5.0.1"
 futures = "0.3.28"
 hex = "0.4.3"
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index cf3262f2b..6b44be27d 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -154,7 +154,7 @@ zebra-utils = { path = "../zebra-utils", version = "1.0.0-beta.29", optional = t
 
 abscissa_core = "0.7.0"
 clap = { version = "4.4.2", features = ["cargo"] }
-chrono = { version = "0.4.29", default-features = false, features = ["clock", "std"] }
+chrono = { version = "0.4.30", default-features = false, features = ["clock", "std"] }
 humantime-serde = "1.1.1"
 indexmap = "2.0.0"
 lazy_static = "1.4.0"