diff --git a/v0.5/Cargo.lock b/v0.5/Cargo.lock
index 54f842318..ae1f99552 100644
--- a/v0.5/Cargo.lock
+++ b/v0.5/Cargo.lock
@@ -18,6 +18,7 @@ name = "fastn-core"
 version = "0.1.0"
 dependencies = [
  "fastn-lang",
+ "serde_json",
 ]
 
 [[package]]
diff --git a/v0.5/Cargo.toml b/v0.5/Cargo.toml
index 8250167cc..fe942f0ce 100644
--- a/v0.5/Cargo.toml
+++ b/v0.5/Cargo.toml
@@ -5,6 +5,7 @@ members = [
     "fastn-lang",
     "fastn-section",
     "fastn-static",
+    "fastn-update",
 ]
 exclude = []
 resolver = "2"
@@ -40,6 +41,7 @@ fastn-lang = { path = "fastn-lang" }
 fastn-section = { path = "fastn-section" }
 fastn-static = { path = "fastn-static" }
 fastn-core = { path = "fastn-core" }
+fastn-update = { path = "fastn-update" }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 itertools = "0.13"
diff --git a/v0.5/fastn-core/Cargo.toml b/v0.5/fastn-core/Cargo.toml
index 442a57e07..0a39586a8 100644
--- a/v0.5/fastn-core/Cargo.toml
+++ b/v0.5/fastn-core/Cargo.toml
@@ -9,4 +9,5 @@ repository.workspace = true
 homepage.workspace = true
 
 [dependencies]
-fastn-lang.workspace = true
\ No newline at end of file
+fastn-lang.workspace = true
+serde_json.workspace = true
\ No newline at end of file
diff --git a/v0.5/fastn-core/src/lib.rs b/v0.5/fastn-core/src/lib.rs
index 99a325677..2d70e3397 100644
--- a/v0.5/fastn-core/src/lib.rs
+++ b/v0.5/fastn-core/src/lib.rs
@@ -1,3 +1,9 @@
+#![allow(clippy::derive_partial_eq_without_eq, clippy::get_first)]
+#![deny(unused_crate_dependencies)]
+#![warn(clippy::used_underscore_binding)]
+
+extern crate self as fastn_core;
+
 mod config;
 mod route;
 
diff --git a/v0.5/fastn-core/src/route.rs b/v0.5/fastn-core/src/route.rs
index 69dac2282..95f1f6940 100644
--- a/v0.5/fastn-core/src/route.rs
+++ b/v0.5/fastn-core/src/route.rs
@@ -9,7 +9,7 @@ pub enum Route {
     Static(String),
 }
 
-pub fn route(config: &fastn_config::Config, path: &str, data: serde_json::Value) -> Route {
+pub fn route(_config: &fastn_core::Config, _path: &str, _data: serde_json::Value) -> Route {
     // parse the fastn_ftd_source, and extract
     todo!()
 }
diff --git a/v0.5/fastn-static/src/lib.rs b/v0.5/fastn-static/src/lib.rs
index 86fcff668..fd41f30bb 100644
--- a/v0.5/fastn-static/src/lib.rs
+++ b/v0.5/fastn-static/src/lib.rs
@@ -1 +1,7 @@
+#![allow(clippy::derive_partial_eq_without_eq, clippy::get_first)]
+#![deny(unused_crate_dependencies)]
+#![warn(clippy::used_underscore_binding)]
+
+extern crate self as fastn_static;
+
 mod ds;
diff --git a/v0.5/fastn-update/src/lib.rs b/v0.5/fastn-update/src/lib.rs
index b93cf3ffd..fd4c9b958 100644
--- a/v0.5/fastn-update/src/lib.rs
+++ b/v0.5/fastn-update/src/lib.rs
@@ -1,14 +1,5 @@
-pub fn add(left: u64, right: u64) -> u64 {
-    left + right
-}
+#![allow(clippy::derive_partial_eq_without_eq, clippy::get_first)]
+#![deny(unused_crate_dependencies)]
+#![warn(clippy::used_underscore_binding)]
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
-    }
-}
+extern crate self as fastn_update;
diff --git a/v0.5/fastn/src/lib.rs b/v0.5/fastn/src/lib.rs
index 9fb55505a..3aed3bb4b 100644
--- a/v0.5/fastn/src/lib.rs
+++ b/v0.5/fastn/src/lib.rs
@@ -1,3 +1,9 @@
+#![allow(clippy::derive_partial_eq_without_eq, clippy::get_first)]
+#![deny(unused_crate_dependencies)]
+#![warn(clippy::used_underscore_binding)]
+
+extern crate self as fastn;
+
 pub enum Action {
     Read,
     Write,