diff --git a/Cargo.lock b/Cargo.lock
index 25d9807..af32c64 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5,6 +5,9 @@ version = 4
 [[package]]
 name = "combustcean-core"
 version = "0.1.0"
+dependencies = [
+ "uuid",
+]
 
 [[package]]
 name = "combustcean-range"
@@ -13,3 +16,9 @@ version = "0.1.0"
 [[package]]
 name = "combustcean-tongs"
 version = "0.1.0"
+
+[[package]]
+name = "uuid"
+version = "1.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddd74a9687298c6858e9b88ec8935ec45d22e8fd5e6394fa1bd4e99a87789c76"
diff --git a/combustcean-core/Cargo.toml b/combustcean-core/Cargo.toml
index 397fbf4..be30dd6 100644
--- a/combustcean-core/Cargo.toml
+++ b/combustcean-core/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+uuid = { version = "1.23.1", default-features = false }
diff --git a/combustcean-core/src/lib.rs b/combustcean-core/src/lib.rs
index b93cf3f..8b13789 100644
--- a/combustcean-core/src/lib.rs
+++ b/combustcean-core/src/lib.rs
@@ -1,14 +1 @@
-pub fn add(left: u64, right: u64) -> u64 {
-    left + right
-}
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
-    }
-}