diff --git a/Cargo.lock b/Cargo.lock
index c038707..f8afa75 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1088,6 +1088,7 @@ version = "0.1.0"
 dependencies = [
  "async-std",
  "config",
+ "rand 0.7.3",
  "serde",
  "serial_test",
  "tempfile",
diff --git a/Cargo.toml b/Cargo.toml
index 90d7dc3..fadb1d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,7 @@ edition = "2021"
 #async-graphql = "*"
 async-std = { version = "*", features = ["attributes"] }
 config = "*"
+rand = "*"
 serde = "*"
 tide = "*"
 
diff --git a/src/morethantext/mod.rs b/src/morethantext/mod.rs
index 1809904..f38b865 100644
--- a/src/morethantext/mod.rs
+++ b/src/morethantext/mod.rs
@@ -1,7 +1,8 @@
 pub mod error;
-use async_std::{fs::create_dir, path::Path};
 
+use async_std::{fs::create_dir, path::Path};
 use error::DBError;
+use rand::{distributions::Alphanumeric, thread_rng, Rng};
 
 const DATA: &str = "data";
 
@@ -29,7 +30,8 @@ impl MoreThanText {
     }
 
     async fn add_entry(&self, _entry: CacheEntry) -> String {
-        "fred".to_string()
+        let id: String = thread_rng().sample_iter(&Alphanumeric).take(32).collect();
+        return id;
     }
 }
 
@@ -100,9 +102,12 @@ mod cache {
     use setup::MTT;
 
     #[async_std::test]
-    async fn add_entry() {
+    async fn ids_are_random() {
         let mtt = MTT::new().await;
-        let data = CacheEntry::Raw("something".to_string());
-        mtt.db.add_entry(data).await;
+        let data1 = CacheEntry::Raw("one".to_string());
+        let data2 = CacheEntry::Raw("two".to_string());
+        let id1 = mtt.db.add_entry(data1).await;
+        let id2 = mtt.db.add_entry(data2).await;
+        assert_ne!(id1, id2, "Ids should be unique.")
     }
 }