diff --git a/Cargo.lock b/Cargo.lock
index 4c2f6c5..6cfc7b8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -103,9 +103,9 @@ dependencies = [
 
 [[package]]
 name = "chrono-tz"
-version = "0.8.2"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf9cc2b23599e6d7479755f3594285efb3f74a1bdca7a7374948bc831e23a552"
+checksum = "e23185c0e21df6ed832a12e2bda87c7d1def6842881fb634a8511ced741b0d76"
 dependencies = [
  "chrono",
  "chrono-tz-build",
@@ -114,9 +114,9 @@ dependencies = [
 
 [[package]]
 name = "chrono-tz-build"
-version = "0.1.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9998fb9f7e9b2111641485bf8beb32f92945f97f92a3d061f744cfef335f751"
+checksum = "433e39f13c9a060046954e0592a8d0a4bcb1040125cbf91cb8ee58964cfb350f"
 dependencies = [
  "parse-zoneinfo",
  "phf",
diff --git a/Cargo.toml b/Cargo.toml
index 482a804..5390772 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ reqwest = { version = "0.11.18", features = ["json"] }
 tokio = { version = "1.28.2", features = ["full"] }
 simplelog = "0.12.1"
 openssl = "0.10.58"
-chrono-tz = "0.8.2"
+chrono-tz = "0.8.4"
 simple-error = "0.3.0"
 dotenv = "0.15.0"