diff --git a/Cargo.lock b/Cargo.lock
index b6c3803539d..69495c6c6ec 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -36,6 +36,15 @@ dependencies = [
  "memchr",
 ]
 
+[[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 = "anyhow"
 version = "1.0.58"
@@ -443,15 +452,17 @@ dependencies = [
 
 [[package]]
 name = "chrono"
-version = "0.4.19"
+version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+checksum = "bfd4d1b31faaa3a89d7934dbded3111da0d2ef28e3ebccdb4f0179f5929d1ef1"
 dependencies = [
- "libc",
+ "iana-time-zone",
+ "js-sys",
  "num-integer",
  "num-traits",
  "serde",
  "time 0.1.44",
+ "wasm-bindgen",
  "winapi",
 ]
 
@@ -2082,6 +2093,19 @@ dependencies = [
  "tokio-native-tls",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "808cf7d67cf4a22adc5be66e75ebdf769b3f2ea032041437a7061f97a63dad4b"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "js-sys",
+ "wasm-bindgen",
+ "winapi",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
diff --git a/oximeter/db/Cargo.toml b/oximeter/db/Cargo.toml
index b5d637356c6..4d5ff65148d 100644
--- a/oximeter/db/Cargo.toml
+++ b/oximeter/db/Cargo.toml
@@ -9,7 +9,7 @@ license = "MPL-2.0"
 anyhow = "1.0"
 async-trait = "0.1.53"
 bytes = { version = "1.2.1", features = [ "serde" ] }
-chrono = { version = "0.4.19", features = [ "serde" ] }
+chrono = { version = "0.4.22", features = [ "serde" ] }
 clap = { version = "3.2", features = ["derive"] }
 dropshot = { git = "https://github.com/oxidecomputer/dropshot", branch = "main", features = [ "usdt-probes" ] }
 oximeter = { path = "../oximeter" }
diff --git a/oximeter/oximeter/Cargo.toml b/oximeter/oximeter/Cargo.toml
index cc4b939eba7..b135a231ac4 100644
--- a/oximeter/oximeter/Cargo.toml
+++ b/oximeter/oximeter/Cargo.toml
@@ -7,7 +7,7 @@ license = "MPL-2.0"
 
 [dependencies]
 bytes = { version = "1.2.1", features = [ "serde" ] }
-chrono = { version = "0.4.19", features = [ "serde" ] }
+chrono = { version = "0.4.22", features = [ "serde" ] }
 num-traits = "0.2.15"
 oximeter-macro-impl = { path = "../oximeter-macro-impl" }
 schemars = { version = "0.8.10", features = [ "uuid1", "bytes", "chrono" ] }
diff --git a/oximeter/producer/Cargo.toml b/oximeter/producer/Cargo.toml
index ad7967921d3..5740827c9ac 100644
--- a/oximeter/producer/Cargo.toml
+++ b/oximeter/producer/Cargo.toml
@@ -6,7 +6,7 @@ description = "Crate for producing metric data to be collected by the Oxide cont
 license = "MPL-2.0"
 
 [dependencies]
-chrono = { version = "0.4.19", features = [ "serde" ] }
+chrono = { version = "0.4.22", features = [ "serde" ] }
 dropshot = { git = "https://github.com/oxidecomputer/dropshot", branch = "main", features = [ "usdt-probes" ]}
 nexus-client = { path = "../../nexus-client" }
 omicron-common = { path = "../../common" }