diff --git a/snix/Cargo.nix b/snix/Cargo.nix
index 3fd0edbc7..783a15b6e 100644
--- a/snix/Cargo.nix
+++ b/snix/Cargo.nix
@@ -13938,7 +13938,7 @@ rec {
       "snix-castore-http" = rec {
         crateName = "snix-castore-http";
         version = "0.1.0";
-        edition = "2021";
+        edition = "2024";
         crateBin = [
           {
             name = "snix-castore-http";
diff --git a/snix/castore-http/Cargo.toml b/snix/castore-http/Cargo.toml
index 98312e042..a05bbb59b 100644
--- a/snix/castore-http/Cargo.toml
+++ b/snix/castore-http/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "snix-castore-http"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 anyhow.workspace = true
diff --git a/snix/castore-http/rustfmt.toml b/snix/castore-http/rustfmt.toml
new file mode 100644
index 000000000..4dfc1d2b7
--- /dev/null
+++ b/snix/castore-http/rustfmt.toml
@@ -0,0 +1,2 @@
+# FUTUREWORK: move to .. once all crates are migrated (#114)
+edition = "2024"
diff --git a/snix/castore-http/src/app_state.rs b/snix/castore-http/src/app_state.rs
index 403a4f2ea..a67a84a9c 100644
--- a/snix/castore-http/src/app_state.rs
+++ b/snix/castore-http/src/app_state.rs
@@ -1,4 +1,4 @@
-use snix_castore::{blobservice::BlobService, directoryservice::DirectoryService, Node};
+use snix_castore::{Node, blobservice::BlobService, directoryservice::DirectoryService};
 
 use std::sync::Arc;
 
diff --git a/snix/castore-http/src/cli.rs b/snix/castore-http/src/cli.rs
index e6c7e54ae..1722ffd60 100644
--- a/snix/castore-http/src/cli.rs
+++ b/snix/castore-http/src/cli.rs
@@ -1,5 +1,5 @@
 use clap::Parser;
-use snix_castore::{utils::ServiceUrlsGrpc, B3Digest};
+use snix_castore::{B3Digest, utils::ServiceUrlsGrpc};
 
 #[derive(Parser)]
 #[command(author, version, about)]
diff --git a/snix/castore-http/src/lib.rs b/snix/castore-http/src/lib.rs
index b5dc1b993..c9d0fb418 100644
--- a/snix/castore-http/src/lib.rs
+++ b/snix/castore-http/src/lib.rs
@@ -6,17 +6,17 @@ pub mod routes;
 use std::path;
 
 use snix_castore::{
-    blobservice::BlobService,
-    directoryservice::{descend_to, DirectoryService},
     B3Digest, Directory, Node, Path, SymlinkTarget,
+    blobservice::BlobService,
+    directoryservice::{DirectoryService, descend_to},
 };
 
 use axum::{
     body::Body,
-    http::{header, StatusCode},
+    http::{StatusCode, header},
     response::{AppendHeaders, IntoResponse, Redirect, Response},
 };
-use axum_extra::{headers::Range, response::Html, TypedHeader};
+use axum_extra::{TypedHeader, headers::Range, response::Html};
 use axum_range::{KnownSize, Ranged};
 use path_clean::PathClean;
 use std::ffi::OsStr;
diff --git a/snix/castore-http/src/router.rs b/snix/castore-http/src/router.rs
index 1d37075b4..4b3c29d0a 100644
--- a/snix/castore-http/src/router.rs
+++ b/snix/castore-http/src/router.rs
@@ -1,10 +1,10 @@
 use crate::app_state::{AppConfig, AppState};
 use crate::routes;
 
-use snix_castore::utils::ServiceUrlsGrpc;
 use snix_castore::Node;
+use snix_castore::utils::ServiceUrlsGrpc;
 
-use axum::{routing::get, Router};
+use axum::{Router, routing::get};
 use std::sync::Arc;
 use tokio_listener::ListenerAddressLFlag;
 use tracing::info;
diff --git a/snix/castore-http/src/routes.rs b/snix/castore-http/src/routes.rs
index 04239540c..5bed39653 100644
--- a/snix/castore-http/src/routes.rs
+++ b/snix/castore-http/src/routes.rs
@@ -8,7 +8,7 @@ use axum::{
     http::StatusCode,
     response::Response,
 };
-use axum_extra::{headers::Range, TypedHeader};
+use axum_extra::{TypedHeader, headers::Range};
 use std::path;
 use tracing::{debug, instrument};
 
@@ -48,10 +48,10 @@ mod tests {
     use crate::{app_state::AppConfig, router::app};
 
     use snix_castore::{
+        B3Digest, Directory, Node,
         blobservice::{BlobService, MemoryBlobService},
         directoryservice::{DirectoryService, MemoryDirectoryService},
         fixtures::{DIRECTORY_COMPLICATED, HELLOWORLD_BLOB_CONTENTS, HELLOWORLD_BLOB_DIGEST},
-        B3Digest, Directory, Node,
     };
 
     use axum::http::StatusCode;
@@ -66,8 +66,8 @@ mod tests {
         auto_index: bool,
     ) -> (
         axum_test::TestServer,
-        impl BlobService,
-        impl DirectoryService,
+        impl BlobService + use<S>,
+        impl DirectoryService + use<S>,
     ) {
         let blob_service = Arc::new(MemoryBlobService::default());
         let directory_service = Arc::new(MemoryDirectoryService::default());