diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b37b995..02b04dc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,5 +13,18 @@ jobs:
           toolchain: stable
           profile: minimal
           override: true
+
+      - name: Configure src/tables.rs cache
+        id: cache-tables
+        uses: actions/cache@v3
+        with:
+          path: src/tables.rs
+          key: ${{ hashFiles('LineBreak.txt', 'gen-tables/**') }}
+
+      - name: Generates src/tables.rs
+        run: cargo run
+        working-directory: ./gen-tables
+        if: steps.cache-tables.outputs.cache-hit != 'true'
+
       - name: Run tests
-        run: cargo test
\ No newline at end of file
+        run: cargo test
diff --git a/.gitignore b/.gitignore
index 96ef6c0..b5787a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /target
-Cargo.lock
+/Cargo.lock
+/src/tables.rs
diff --git a/Cargo.toml b/Cargo.toml
index afbce85..54e9160 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,10 +9,6 @@ readme = "README.md"
 keywords = ["unicode", "text", "layout"]
 categories = ["internationalization"]
 license = "Apache-2.0"
-include = ["src/**/*", "build.rs", "LineBreak.txt", "LICENSE"]
+include = ["src/**/*", "LICENSE"]
 edition = "2021"
 rust-version = "1.56"
-
-[build-dependencies]
-regex = "1"
-hashbrown = "0.12.3"
diff --git a/README.md b/README.md
index d3b439a..d3f1de5 100644
--- a/README.md
+++ b/README.md
@@ -21,4 +21,16 @@ assert!(linebreaks(text).eq([
 ]));
 ```
 
+## Development
+
+After cloning the repository or modifying `LineBreak.txt` the tables
+have to be (re-)generated:
+
+```sh
+# Generate src/tables.rs
+(cd gen-tables && cargo run)
+# Run tests to make sure it was successful
+cargo test
+```
+
 [UAX14]: https://www.unicode.org/reports/tr14/
diff --git a/gen-tables/.gitignore b/gen-tables/.gitignore
new file mode 100644
index 0000000..eb5a316
--- /dev/null
+++ b/gen-tables/.gitignore
@@ -0,0 +1 @@
+target
diff --git a/gen-tables/Cargo.lock b/gen-tables/Cargo.lock
new file mode 100644
index 0000000..0d3c6e7
--- /dev/null
+++ b/gen-tables/Cargo.lock
@@ -0,0 +1,100 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "ahash"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+]
+
+[[package]]
+name = "aho-corasick"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43f6cb1bf222025340178f382c426f13757b2960e89779dfcb319c32542a5a41"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "allocator-api2"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56fc6cf8dc8c4158eed8649f9b8b0ea1518eb62b544fe9490d66fa0b349eafe9"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "gen-tables"
+version = "0.0.0"
+dependencies = [
+ "hashbrown",
+ "regex",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+dependencies = [
+ "ahash",
+ "allocator-api2",
+]
+
+[[package]]
+name = "memchr"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+
+[[package]]
+name = "once_cell"
+version = "1.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
+
+[[package]]
+name = "regex"
+version = "1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2eae68fc220f7cf2532e4494aded17545fce192d59cd996e0fe7887f4ceb575"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83d3daa6976cffb758ec878f108ba0e062a45b2d6ca3a2cca965338855476caf"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ab07dc67230e4a4718e70fd5c20055a4334b121f1f9db8fe63ef39ce9b8c846"
+
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
diff --git a/gen-tables/Cargo.toml b/gen-tables/Cargo.toml
new file mode 100644
index 0000000..d766dd4
--- /dev/null
+++ b/gen-tables/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "gen-tables"
+version = "0.0.0"
+edition = "2021"
+publish = false
+
+[dependencies]
+regex = "1"
+hashbrown = "0.14"
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
diff --git a/build.rs b/gen-tables/src/main.rs
similarity index 98%
rename from build.rs
rename to gen-tables/src/main.rs
index a573dde..5c346c9 100644
--- a/build.rs
+++ b/gen-tables/src/main.rs
@@ -20,11 +20,10 @@ use std::hash::{BuildHasher, Hash, Hasher};
 use std::io::{BufRead, BufReader, BufWriter, Write};
 use std::marker::PhantomData;
 use std::ops::Range;
-use std::path::Path;
 use std::str::FromStr;
-use std::{env, error, iter};
+use std::{error, iter};
 
-include!("src/shared.rs");
+include!("../../src/shared.rs");
 
 impl FromStr for BreakClass {
     type Err = &'static str;
@@ -88,6 +87,7 @@ static BREAK_CLASS_TABLE: [&str; NUM_CLASSES] = [
 
 #[derive(Copy, Clone)]
 #[repr(u8)]
+#[allow(clippy::upper_case_acronyms)]
 enum ExtraState {
     ZWSP = sot + 1,
     OPSP,
@@ -683,8 +683,8 @@ struct CpTrie<T> {
 }
 
 fn main() -> Result<(), Box<dyn error::Error>> {
-    println!("cargo:rerun-if-changed=LineBreak.txt");
-    debug_assert!(NUM_STATES <= 0x3F, "too many states");
+    #[allow(clippy::assertions_on_constants)]
+    const _: () = debug_assert!(NUM_STATES <= 0x3F, "too many states");
 
     let pair_table = rules2table! {
         // Non-tailorable Line Breaking Rules
@@ -795,7 +795,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
 ;
 (?P<lb>\w{2,3}) # Line_Break property",
     )?;
-    let prop_ranges = BufReader::new(File::open("LineBreak.txt")?)
+    let prop_ranges = BufReader::new(File::open("../LineBreak.txt")?)
         .lines()
         .map(Result::unwrap)
         .filter(|l| !(l.starts_with('#') || l.is_empty()))
@@ -828,9 +828,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
         builder.build()
     };
 
-    let out_dir = env::var("OUT_DIR")?;
-    let dest_path = Path::new(&out_dir).join("tables.rs");
-    let mut stream = BufWriter::new(File::create(&dest_path)?);
+    let mut stream = BufWriter::new(File::create("../src/tables.rs")?);
     writeln!(
         stream,
         "const BREAK_PROP_TRIE_HIGH_START: u32 = {};
diff --git a/src/lib.rs b/src/lib.rs
index 10bc369..ca473d8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -27,8 +27,7 @@ use core::iter::once;
 pub const UNICODE_VERSION: (u8, u8, u8) = (15, 0, 0);
 
 include!("shared.rs");
-
-include!(concat!(env!("OUT_DIR"), "/tables.rs"));
+include!("tables.rs");
 
 /// Returns the line break property of the specified code point.
 ///