diff --git a/Cargo.lock b/Cargo.lock
index 009d7c7d..d39ec3e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -469,7 +469,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93698b29de5e97ad0ae26447b344c482a7284c737d9ddc5f9e52b74a336671bb"
 dependencies = [
  "chrono",
- "chrono-tz-build",
+ "chrono-tz-build 0.3.0",
+ "phf",
+]
+
+[[package]]
+name = "chrono-tz"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "efdce149c370f133a071ca8ef6ea340b7b88748ab0810097a9e2976eaa34b4f3"
+dependencies = [
+ "chrono",
+ "chrono-tz-build 0.4.1",
  "phf",
  "serde",
 ]
@@ -485,6 +496,16 @@ dependencies = [
  "phf_codegen",
 ]
 
+[[package]]
+name = "chrono-tz-build"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f10f8c9340e31fc120ff885fcdb54a0b48e474bbd77cab557f0c30a3e569402"
+dependencies = [
+ "parse-zoneinfo",
+ "phf_codegen",
+]
+
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -1772,7 +1793,7 @@ dependencies = [
  "anyhow",
  "axum",
  "chrono",
- "chrono-tz",
+ "chrono-tz 0.10.3",
  "futures",
  "nittei_api",
  "nittei_domain",
@@ -1802,7 +1823,7 @@ dependencies = [
  "axum",
  "axum-valid",
  "chrono",
- "chrono-tz",
+ "chrono-tz 0.10.3",
  "futures",
  "jsonwebtoken",
  "nittei_api_structs",
@@ -1835,7 +1856,7 @@ name = "nittei_api_structs"
 version = "0.3.1"
 dependencies = [
  "chrono",
- "chrono-tz",
+ "chrono-tz 0.10.3",
  "nittei_domain",
  "serde",
  "serde_json",
@@ -1852,7 +1873,7 @@ version = "0.2.1"
 dependencies = [
  "anyhow",
  "chrono",
- "chrono-tz",
+ "chrono-tz 0.10.3",
  "itertools 0.11.0",
  "jsonwebtoken",
  "nittei_utils",
@@ -1876,7 +1897,7 @@ dependencies = [
  "anyhow",
  "async-trait",
  "chrono",
- "chrono-tz",
+ "chrono-tz 0.10.3",
  "futures",
  "moka",
  "nittei_domain",
@@ -1896,7 +1917,7 @@ name = "nittei_sdk"
 version = "0.4.1"
 dependencies = [
  "chrono",
- "chrono-tz",
+ "chrono-tz 0.10.3",
  "nittei_api_structs",
  "nittei_domain",
  "reqwest",
@@ -2695,7 +2716,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cff1ca93145ff07cdc878b5f6bb90391a299cc8712538af0ad73ebf37613e46a"
 dependencies = [
  "chrono",
- "chrono-tz",
+ "chrono-tz 0.9.0",
  "lazy_static",
  "log",
  "regex",
diff --git a/bins/nittei/Cargo.toml b/bins/nittei/Cargo.toml
index cc97fec2..cdc04aaf 100644
--- a/bins/nittei/Cargo.toml
+++ b/bins/nittei/Cargo.toml
@@ -58,7 +58,7 @@ reqwest = { version = "0.12", default-features = false, features = [
 ] }
 
 chrono = "0.4.19"
-chrono-tz = "0.9.0"
+chrono-tz = "0.10.3"
 
 # Use the `jemallocator` crate to use jemalloc as the global allocator.
 tikv-jemallocator = "0.6"
diff --git a/clients/rust/Cargo.toml b/clients/rust/Cargo.toml
index f3acda8c..ae2088b7 100644
--- a/clients/rust/Cargo.toml
+++ b/clients/rust/Cargo.toml
@@ -20,4 +20,4 @@ reqwest = { version = "0.12", default-features = false, features = [
 serde = "1"
 serde_json = "1"
 chrono = { version = "0.4.19", features = ["serde"] }
-chrono-tz = { version = "0.9.0", features = ["serde"] }
+chrono-tz = { version = "0.10.3", features = ["serde"] }
diff --git a/crates/api/Cargo.toml b/crates/api/Cargo.toml
index 93a80640..9fabd08e 100644
--- a/crates/api/Cargo.toml
+++ b/crates/api/Cargo.toml
@@ -45,7 +45,7 @@ zip = "=2.3.0"
 async-trait = "0.1.83"
 rrule = "0.13.0"
 chrono = { version = "0.4.19", features = ["serde"] }
-chrono-tz = "0.9.0"
+chrono-tz = "0.10.3"
 anyhow = "1.0"
 jsonwebtoken = "7"
 thiserror = "2.0"
diff --git a/crates/api_structs/Cargo.toml b/crates/api_structs/Cargo.toml
index 50afa26d..71a3ebe5 100644
--- a/crates/api_structs/Cargo.toml
+++ b/crates/api_structs/Cargo.toml
@@ -15,7 +15,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 validator = { version = "0.20", features = ["derive"] }
 chrono = { version = "0.4.19", features = ["serde"] }
-chrono-tz = { version = "0.9.0", features = ["serde"] }
+chrono-tz = { version = "0.10.3", features = ["serde"] }
 uuid = { version = "1.1.2", features = ["serde"] }
 ts-rs = { version = "10.1.0", features = [
   "uuid-impl",
diff --git a/crates/domain/Cargo.toml b/crates/domain/Cargo.toml
index 71978ca6..086339d7 100644
--- a/crates/domain/Cargo.toml
+++ b/crates/domain/Cargo.toml
@@ -15,7 +15,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 rrule = "0.13.0"
 chrono = { version = "0.4.19", features = ["serde"] }
-chrono-tz = { version = "0.9.0", features = ["serde"] }
+chrono-tz = { version = "0.10.3", features = ["serde"] }
 anyhow = "1.0"
 url = "2.3.0"
 uuid = { version = "1.1.2", features = ["serde", "v4"] }
diff --git a/crates/infra/Cargo.toml b/crates/infra/Cargo.toml
index ce3865c3..c762b64e 100644
--- a/crates/infra/Cargo.toml
+++ b/crates/infra/Cargo.toml
@@ -14,7 +14,7 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 async-trait = "0.1.83"
 chrono = { version = "0.4.19", features = ["serde"] }
-chrono-tz = { version = "0.9.0", features = ["serde"] }
+chrono-tz = { version = "0.10.3", features = ["serde"] }
 anyhow = "1.0"
 tokio = { version = "1", features = ["macros"] }
 tracing = "0.1.25"