diff --git a/Cargo.lock b/Cargo.lock
index fcd1334af0..1a82fd9a3b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -95,6 +95,15 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
+[[package]]
+name = "android_system_properties"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7ed72e1635e121ca3e79420540282af22da58be50de153d36f81ddc6b83aa9e"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
@@ -730,15 +739,17 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.19"
+version = "0.4.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+checksum = "3f725f340c3854e3cb3ab736dc21f0cca183303acea3b3ffec30f141503ac8eb"
 dependencies = [
- "libc",
+ "iana-time-zone",
+ "js-sys",
  "num-integer",
  "num-traits",
  "serde",
  "time 0.1.43",
+ "wasm-bindgen",
  "winapi 0.3.9",
 ]
 
@@ -2086,6 +2097,19 @@ dependencies = [
  "tokio-native-tls",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9512e544c25736b82aebbd2bf739a47c8a1c935dfcc3a6adcde10e35cd3cd468"
+dependencies = [
+ "android_system_properties",
+ "core-foundation",
+ "js-sys",
+ "wasm-bindgen",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "idna"
 version = "0.1.5"
diff --git a/cli-output/Cargo.toml b/cli-output/Cargo.toml
index 79d0f81157..3a492dc447 100644
--- a/cli-output/Cargo.toml
+++ b/cli-output/Cargo.toml
@@ -12,7 +12,7 @@ documentation = "https://docs.rs/solana-cli-output"
 [dependencies]
 Inflector = "0.11.4"
 base64 = "0.13.0"
-chrono = { version = "0.4.11", features = ["serde"] }
+chrono = { version = "0.4.21", features = ["serde"] }
 clap = "2.33.0"
 console = "0.15.0"
 humantime = "2.0.1"
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 148a307cb3..78c9c90c9a 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -18,7 +18,7 @@ ahash = "0.7.6"
 base64 = "0.13.0"
 bincode = "1.3.3"
 bs58 = "0.4.0"
-chrono = { version = "0.4.11", features = ["serde"] }
+chrono = { version = "0.4.21", features = ["serde"] }
 crossbeam-channel = "0.5"
 dashmap = { version = "4.0.2", features = ["rayon", "raw-api"] }
 eager = "0.1.0"
diff --git a/install/Cargo.toml b/install/Cargo.toml
index 675e10d100..dae1b8016b 100644
--- a/install/Cargo.toml
+++ b/install/Cargo.toml
@@ -13,7 +13,7 @@ documentation = "https://docs.rs/solana-install"
 atty = "0.2.11"
 bincode = "1.3.3"
 bzip2 = "0.4.3"
-chrono = { version = "0.4.11", features = ["serde"] }
+chrono = { version = "0.4.21", features = ["serde"] }
 clap = { version = "2.33.1" }
 console = "0.15.0"
 crossbeam-channel = "0.5"
diff --git a/ledger-tool/Cargo.toml b/ledger-tool/Cargo.toml
index acd3d43e1c..6c978a2e54 100644
--- a/ledger-tool/Cargo.toml
+++ b/ledger-tool/Cargo.toml
@@ -11,7 +11,7 @@ documentation = "https://docs.rs/solana-ledger-tool"
 
 [dependencies]
 bs58 = "0.4.0"
-chrono = "0.4.11"
+chrono = "0.4.21"
 clap = "2.33.1"
 crossbeam-channel = "0.5"
 csv = "1.1.6"
diff --git a/ledger/Cargo.toml b/ledger/Cargo.toml
index f99fa92c10..dae528e999 100644
--- a/ledger/Cargo.toml
+++ b/ledger/Cargo.toml
@@ -13,7 +13,7 @@ edition = "2021"
 bincode = "1.3.3"
 bitflags = "1.3.1"
 byteorder = "1.4.3"
-chrono = { version = "0.4.11", features = ["serde"] }
+chrono = { version = "0.4.21", features = ["serde"] }
 chrono-humanize = "0.2.1"
 crossbeam-channel = "0.5"
 dashmap = { version = "4.0.2", features = ["rayon", "raw-api"] }
diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index f60490f6ce..b672b3c904 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -95,6 +95,15 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
+[[package]]
+name = "android_system_properties"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7ed72e1635e121ca3e79420540282af22da58be50de153d36f81ddc6b83aa9e"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
@@ -643,15 +652,17 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.19"
+version = "0.4.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+checksum = "3f725f340c3854e3cb3ab736dc21f0cca183303acea3b3ffec30f141503ac8eb"
 dependencies = [
- "libc",
+ "iana-time-zone",
+ "js-sys",
  "num-integer",
  "num-traits",
  "serde",
  "time 0.1.43",
+ "wasm-bindgen",
  "winapi 0.3.9",
 ]
 
@@ -1849,6 +1860,19 @@ dependencies = [
  "tokio-native-tls",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9512e544c25736b82aebbd2bf739a47c8a1c935dfcc3a6adcde10e35cd3cd468"
+dependencies = [
+ "android_system_properties",
+ "core-foundation",
+ "js-sys",
+ "wasm-bindgen",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "idna"
 version = "0.1.5"
diff --git a/programs/config/Cargo.toml b/programs/config/Cargo.toml
index 0dde0efbaa..09a00af042 100644
--- a/programs/config/Cargo.toml
+++ b/programs/config/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2021"
 
 [dependencies]
 bincode = "1.3.3"
-chrono = { version = "0.4.11", features = ["serde"] }
+chrono = { version = "0.4.21", features = ["serde"] }
 serde = "1.0.143"
 serde_derive = "1.0.103"
 solana-program-runtime = { path = "../../program-runtime", version = "=1.12.0" }
diff --git a/validator/Cargo.toml b/validator/Cargo.toml
index 88b3d09cee..cda334f963 100644
--- a/validator/Cargo.toml
+++ b/validator/Cargo.toml
@@ -11,7 +11,7 @@ documentation = "https://docs.rs/solana-validator"
 default-run = "solana-validator"
 
 [dependencies]
-chrono = { version = "0.4.11", features = ["serde"] }
+chrono = { version = "0.4.21", features = ["serde"] }
 clap = "2.33.1"
 console = "0.15.0"
 core_affinity = "0.5.10"