diff --git a/Cargo.lock b/Cargo.lock
index 796782a..f830856 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -51,9 +51,9 @@ dependencies = [
 
 [[package]]
 name = "android_system_properties"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7ed72e1635e121ca3e79420540282af22da58be50de153d36f81ddc6b83aa9e"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
 dependencies = [
  "libc",
 ]
@@ -836,13 +836,14 @@ dependencies = [
 
 [[package]]
 name = "iana-time-zone"
-version = "0.1.46"
+version = "0.1.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad2bfd338099682614d3ee3fe0cd72e0b6a41ca6a87f6a74a3bd593c91650501"
+checksum = "4c495f162af0bf17656d0014a0eded5f3cd2f365fdd204548c2869db89359dc7"
 dependencies = [
  "android_system_properties",
  "core-foundation-sys",
  "js-sys",
+ "once_cell",
  "wasm-bindgen",
  "winapi",
 ]