diff --git a/ext/lightningcss/lightningcss.c b/ext/lightningcss/lightningcss.c
index 1a5944d..99a08e7 100644
--- a/ext/lightningcss/lightningcss.c
+++ b/ext/lightningcss/lightningcss.c
@@ -85,6 +85,12 @@ static VALUE rb_native_version(VALUE self) {
   return take_utf8_string(lightningcss_version());
 }
 
+static VALUE rb_lightningcss_version(VALUE self) {
+  (void) self;
+
+  return take_utf8_string(lightningcss_lightningcss_version());
+}
+
 void Init_lightningcss(void) {
   rb_mLightningCSS = rb_define_module("LightningCSS");
   rb_mBackend = rb_define_module_under(rb_mLightningCSS, "Backend");
@@ -98,4 +104,5 @@ void Init_lightningcss(void) {
   rb_define_singleton_method(rb_mBackend, "transform_style_attribute", rb_transform_style_attribute, 2);
   rb_define_singleton_method(rb_mBackend, "bundle", rb_bundle, 2);
   rb_define_singleton_method(rb_mBackend, "version", rb_native_version, 0);
+  rb_define_singleton_method(rb_mBackend, "lightningcss_version", rb_lightningcss_version, 0);
 }
diff --git a/lib/lightningcss.rb b/lib/lightningcss.rb
index 5068d48..286e0ad 100644
--- a/lib/lightningcss.rb
+++ b/lib/lightningcss.rb
@@ -54,7 +54,7 @@ def self.minify(code, **)
   end
 
   #: () -> String
-  def self.native_version
-    Backend.version
+  def self.lightningcss_version
+    Backend.lightningcss_version
   end
 end
diff --git a/lib/lightningcss/backend.rb b/lib/lightningcss/backend.rb
index 5d31198..270d909 100644
--- a/lib/lightningcss/backend.rb
+++ b/lib/lightningcss/backend.rb
@@ -23,6 +23,11 @@ def version
         unavailable(__method__)
       end
 
+      #: () -> String
+      def lightningcss_version
+        unavailable(__method__)
+      end
+
       private
 
       #: (Symbol?) -> bot
diff --git a/rust/build.rs b/rust/build.rs
index 1ca04d4..6135540 100644
--- a/rust/build.rs
+++ b/rust/build.rs
@@ -1,4 +1,5 @@
 use std::env;
+use std::fs;
 use std::path::PathBuf;
 
 fn main() {
@@ -12,4 +13,33 @@ fn main() {
 
     bindings.write_to_file(&header_path);
   }
+
+  let lock_path = PathBuf::from(&crate_dir).join("Cargo.lock");
+
+  println!("cargo:rerun-if-changed={}", lock_path.display());
+
+  println!(
+    "cargo:rustc-env=LIGHTNINGCSS_VERSION={}",
+    locked_version(&lock_path, "lightningcss")
+  );
+}
+
+fn locked_version(lock_path: &PathBuf, package: &str) -> String {
+  let Ok(lock) = fs::read_to_string(lock_path) else {
+    return "unknown".to_string();
+  };
+
+  let mut lines = lock.lines();
+
+  while let Some(line) = lines.next() {
+    if line.trim() != format!("name = \"{package}\"") {
+      continue;
+    }
+
+    if let Some(version) = lines.next().and_then(|next| next.trim().strip_prefix("version = ")) {
+      return version.trim_matches('"').to_string();
+    }
+  }
+
+  "unknown".to_string()
 }
diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index 3858114..42d148b 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -25,6 +25,7 @@ use crate::options::{TransformOptions, TransformResult};
 use crate::scope::Scoper;
 
 pub const VERSION: &str = env!("CARGO_PKG_VERSION");
+pub const LIGHTNINGCSS_VERSION: &str = env!("LIGHTNINGCSS_VERSION");
 
 #[repr(C)]
 pub struct LightningCssResult {
@@ -294,6 +295,11 @@ pub unsafe extern "C" fn lightningcss_version() -> *mut c_char {
   into_c_string(VERSION)
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn lightningcss_lightningcss_version() -> *mut c_char {
+  into_c_string(LIGHTNINGCSS_VERSION)
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn lightningcss_string_free(value: *mut c_char) {
   if !value.is_null() {
diff --git a/sig/lightningcss.rbs b/sig/lightningcss.rbs
index bf7491b..668c769 100644
--- a/sig/lightningcss.rbs
+++ b/sig/lightningcss.rbs
@@ -27,5 +27,5 @@ module LightningCSS
   def self.minify: (String, ?filename: String?, ?error_recovery: bool, ?targets: browsers?, ?css_modules: css_modules?, ?scope: String?) -> String
 
   # : () -> String
-  def self.native_version: () -> String
+  def self.lightningcss_version: () -> String
 end
diff --git a/sig/lightningcss/backend.rbs b/sig/lightningcss/backend.rbs
index 83e27ca..7c976bd 100644
--- a/sig/lightningcss/backend.rbs
+++ b/sig/lightningcss/backend.rbs
@@ -15,6 +15,9 @@ module LightningCSS
       # : () -> String
       def version: () -> String
 
+      # : () -> String
+      def lightningcss_version: () -> String
+
       private
 
       # : (Symbol?) -> bot
diff --git a/test/lightningcss_test.rb b/test/lightningcss_test.rb
index baa20f4..e3e7ac7 100644
--- a/test/lightningcss_test.rb
+++ b/test/lightningcss_test.rb
@@ -8,6 +8,16 @@ class LightningCSSTest < Minitest::Spec
   end
 
   test "the native library was built from the version the gem was" do
-    assert_equal LightningCSS::VERSION, LightningCSS.native_version
+    assert_equal LightningCSS::VERSION, LightningCSS::Backend.version
+  end
+
+  test "reports the version of Lightning CSS it was compiled against" do
+    assert_equal "1.0.0-alpha.72", LightningCSS.lightningcss_version
+  end
+
+  test "the version it reports is the one Cargo.lock pins" do
+    locked = File.read(File.expand_path("../rust/Cargo.lock", __dir__))[/name = "lightningcss"\nversion = "([^"]+)"/, 1]
+
+    assert_equal locked, LightningCSS.lightningcss_version
   end
 end