diff --git a/Cargo.lock b/Cargo.lock
index 43038f5..1b1f8b4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,15 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "aho-corasick"
+version = "0.7.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
@@ -519,12 +528,13 @@ dependencies = [
 
 [[package]]
 name = "mtsc"
-version = "4.7.3"
+version = "4.9.4"
 dependencies = [
  "backtrace",
  "clap",
  "html5ever",
  "panic-message",
+ "regex",
  "reqwest",
  "tokio",
  "v8",
@@ -793,6 +803,23 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "regex"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e076559ef8e241f2ae3479e36f97bd5741c0330689e217ad51ce2c76808b868a"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
+
 [[package]]
 name = "remove_dir_all"
 version = "0.5.3"
diff --git a/Cargo.toml b/Cargo.toml
index f9333c8..5b55f86 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,8 +1,8 @@
 [package]
 name = "mtsc"
-version = "4.7.3"
+version = "4.9.4"
 edition = "2018"
-authors = ["S. Beeblebrox"] # <you@example.com>
+authors = ["Trin Wasinger"] # <you@example.com>
 license = "MIT"
 
 [dependencies]
@@ -11,6 +11,7 @@ clap = "2.33.3"
 html5ever = "0.26.0"
 panic-message = "0.3.0"
 backtrace = "0.3.64"
+regex = "1.7.0"
 
 [build-dependencies]
 reqwest = "0.11.6"
diff --git a/dependency-licenses/LICENSE-MIT b/dependency-licenses/LICENSE-MIT
index 0ddfb8b..9ac3fdd 100644
--- a/dependency-licenses/LICENSE-MIT
+++ b/dependency-licenses/LICENSE-MIT
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015-2016 Kevin B. Knapp (clap), 2018-2019 the Deno authors (Rust v8), 2016 Sean McArthur (reqwest), 2021 Tokio Contributors (Tokio), 2014 The html5ever Project Developers (html5ever), 2016 Jorge Aparicio (panic-message), 2014 Alex Crichton (backtrace-rs)
+Copyright (c) 2015-2016 Kevin B. Knapp (clap), 2018-2019 The Deno Authors (Rust v8), 2016 Sean McArthur (reqwest), 2021 Tokio Contributors (Tokio), 2014 The html5ever Project Developers (html5ever), 2016 Jorge Aparicio (panic-message), 2014 Alex Crichton (backtrace-rs), 2014 The Rust Project Developers (regex)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/main.rs b/src/main.rs
index d3173df..9eeab6d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,7 @@
 mod compilers;
 use compilers::{compile_typescript, compile_html, CompileOptions, minify_javascript, MinifyOptions};
 
+use regex::{Regex, Captures};
 use clap::{Arg, App};
 
 use backtrace::Backtrace;
@@ -148,6 +149,11 @@ fn main() {
             jsx_fragment
         };
 
+        let regex = Regex::new(r"//#\s*?include\s+?([^\r\n]+)").unwrap();
+        let input_text = regex.replace_all(&input_text, |captures: &Captures| {
+            fs::read_to_string(captures[1].to_string()).expect(format!("Error resolving transform `{}`", captures[0].to_string()).as_str())
+        }).to_string();
+
         let result = if html {
             compile_html(input_text.as_str(), options.clone()).expect("Error compiling HTML")
         } else {
diff --git a/test.ts b/test.ts
index 01de1b0..de065b9 100644
--- a/test.ts
+++ b/test.ts
@@ -16,4 +16,6 @@ let xx = {
     foo() {
         console.log(1+1)
     }
-}
\ No newline at end of file
+}
+
+const bar = //#include test_include.ts
\ No newline at end of file
diff --git a/test_include.ts b/test_include.ts
new file mode 100644
index 0000000..584c005
--- /dev/null
+++ b/test_include.ts
@@ -0,0 +1 @@
+class Bar {}
\ No newline at end of file