diff --git a/Cargo.lock b/Cargo.lock
index 44b0aa8b..68a217fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1444,7 +1444,6 @@ dependencies = [
  "dprint-plugin-typescript",
  "heapless",
  "indexmap",
- "lazy_static",
  "ordered-float",
  "semver",
  "serde",
diff --git a/README.md b/README.md
index 1b931f0f..ca1bcdea 100644
--- a/README.md
+++ b/README.md
@@ -124,6 +124,6 @@ Feel free to open an issue, discuss using GitHub discussions or open a PR.
 [See CONTRIBUTING.md](https://github.com/Aleph-Alpha/ts-rs/blob/main/CONTRIBUTING.md)
 
 ### MSRV
-The Minimum Supported Rust Version for this crate is 1.63.0
+The Minimum Supported Rust Version for this crate is 1.74.1
 
 License: MIT
diff --git a/ts-rs/Cargo.toml b/ts-rs/Cargo.toml
index 85d00d48..7a4c3c1c 100644
--- a/ts-rs/Cargo.toml
+++ b/ts-rs/Cargo.toml
@@ -15,7 +15,7 @@ categories = [
     "web-programming",
 ]
 readme = "../README.md"
-rust-version = "1.63.0"
+rust-version = "1.74.1"
 
 [features]
 chrono-impl = ["chrono"]
@@ -60,5 +60,4 @@ smol_str = { version = "0.3", optional = true }
 indexmap = { version = "2", optional = true }
 ordered-float = { version = ">= 3, < 5", optional = true }
 serde_json = { version = "1", optional = true }
-lazy_static = { version = "1", default-features = false }
 tokio = { version = "1", features = ["sync"], optional = true }
diff --git a/ts-rs/src/export.rs b/ts-rs/src/export.rs
index 3640c96e..b628e56e 100644
--- a/ts-rs/src/export.rs
+++ b/ts-rs/src/export.rs
@@ -6,11 +6,10 @@ use std::{
     fs::File,
     io::{Seek, SeekFrom},
     path::{Component, Path, PathBuf},
-    sync::Mutex,
+    sync::{Mutex, OnceLock},
 };
 
 pub use error::ExportError;
-use lazy_static::lazy_static;
 use path::diff_paths;
 pub(crate) use recursive_export::export_all_into;
 
@@ -19,8 +18,11 @@ use crate::TS;
 mod error;
 mod path;
 
-lazy_static! {
-    static ref EXPORT_PATHS: Mutex<HashMap<PathBuf, HashSet<String>>> = Mutex::new(HashMap::new());
+static EXPORT_PATHS: OnceLock<Mutex<HashMap<PathBuf, HashSet<String>>>> =
+    OnceLock::new();
+
+fn get_export_paths<'a>() -> &'a Mutex<HashMap<PathBuf, HashSet<String>>> {
+    EXPORT_PATHS.get_or_init(|| Default::default())
 }
 
 const NOTE: &str = "// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.\n";
@@ -139,7 +141,7 @@ fn export_and_merge(
 ) -> Result<(), ExportError> {
     use std::io::{Read, Write};
 
-    let mut lock = EXPORT_PATHS.lock().unwrap();
+    let lock = &mut get_export_paths().lock().unwrap();
 
     let Some(entry) = lock.get_mut(&path) else {
         // The file hasn't been written to yet, so it must be
diff --git a/ts-rs/src/lib.rs b/ts-rs/src/lib.rs
index b2bbc073..183d62ad 100644
--- a/ts-rs/src/lib.rs
+++ b/ts-rs/src/lib.rs
@@ -122,7 +122,7 @@
 //! [See CONTRIBUTING.md](https://github.com/Aleph-Alpha/ts-rs/blob/main/CONTRIBUTING.md)
 //!
 //! ## MSRV
-//! The Minimum Supported Rust Version for this crate is 1.63.0
+//! The Minimum Supported Rust Version for this crate is 1.74.1
 
 use std::{
     any::TypeId,