diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..2839ea7
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,3 @@
+pub fn message() -> &'static str {
+    "Hello, world! (sccache lib verification)"
+}
diff --git a/src/main.rs b/src/main.rs
index 15af1dc..d1b4d14 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,3 @@
 fn main() {
-    println!("Hello, world! (cache test v3)");
+    println!("{}", rust_hello_world::message());
 }