diff --git a/Cargo.lock b/Cargo.lock
index 5a5bbec2..1a4fd9f2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -298,9 +298,9 @@ dependencies = [
 
 [[package]]
 name = "ariadne"
-version = "0.3.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72fe02fc62033df9ba41cba57ee19acf5e742511a140c7dbc3a873e19a19a1bd"
+checksum = "44055e597c674aef7cb903b2b9f6e4cba1277ed0d2d61dae7cd52d7ffa81f8e2"
 dependencies = [
  "unicode-width",
  "yansi",
@@ -1834,9 +1834,9 @@ checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
 
 [[package]]
 name = "yansi"
-version = "0.5.1"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
+checksum = "cfe53a6657fd280eaa890a3bc59152892ffa3e30101319d168b781ed6529b049"
 
 [[package]]
 name = "zerocopy"
diff --git a/package/origlang-cli/Cargo.toml b/package/origlang-cli/Cargo.toml
index e18fc37a..38545595 100644
--- a/package/origlang-cli/Cargo.toml
+++ b/package/origlang-cli/Cargo.toml
@@ -14,7 +14,7 @@ thiserror = "1.0.59"
 origlang-compiler = { path = "../origlang-compiler" }
 origlang-typesystem-model = { path = "../origlang-typesystem-model" }
 origlang-runtime = { path = "../origlang-runtime" }
-ariadne = "0.3.0"
+ariadne = "0.4.1"
 origlang-platform = { path = "../origlang-platform" }
 origlang-ast = { path = "../origlang-ast" }
 strum = { version = "0.26.2", features = ["derive"] }
diff --git a/package/origlang-cli/src/task/repl.rs b/package/origlang-cli/src/task/repl.rs
index c18712ad..5ace4ce7 100644
--- a/package/origlang-cli/src/task/repl.rs
+++ b/package/origlang-cli/src/task/repl.rs
@@ -17,6 +17,8 @@ use origlang_typesystem_model::TypedRootAst;
 struct Dummy((), Source);
 
 impl ariadne::Cache<()> for Dummy {
+    type Storage = String;
+    
     fn fetch(&mut self, _id: &()) -> Result<&Source, Box<dyn Debug + '_>> {
         Ok(&self.1)
     }