diff --git a/Cargo.lock b/Cargo.lock
index 279729f0..9123adbf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -51,6 +51,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -457,18 +463,17 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.23"
+version = "0.4.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16b0a3d9ed01224b22057780a37bb8c5dbfe1be8ba48678e7bf57ec4b385411f"
+checksum = "7e36cc9d416881d2e24f9a963be5fb1cd90966419ac844274161d10488b3e825"
 dependencies = [
+ "android-tzdata",
  "iana-time-zone",
  "js-sys",
- "num-integer",
  "num-traits",
  "serde",
- "time 0.1.44",
  "wasm-bindgen",
- "winapi",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
diff --git a/fortanix-vme/aws-nitro-enclaves/nitro-attestation-verify/Cargo.toml b/fortanix-vme/aws-nitro-enclaves/nitro-attestation-verify/Cargo.toml
index 999637de..3ae10cdc 100644
--- a/fortanix-vme/aws-nitro-enclaves/nitro-attestation-verify/Cargo.toml
+++ b/fortanix-vme/aws-nitro-enclaves/nitro-attestation-verify/Cargo.toml
@@ -17,7 +17,7 @@ pkix = ">=0.1.2, <0.3.0"
 yasna = { version = "0.4", features = ["num-bigint"] }
 
 [dev-dependencies]
-chrono = "0.4.0"
+chrono = "0.4.39"
 pkix = ">=0.1.2, <0.3.0"
 lazy_static = "1.3.0"