diff --git a/hosts/ocaml/bin/sx_server.ml b/hosts/ocaml/bin/sx_server.ml
index b38d7a6b..7755c566 100644
--- a/hosts/ocaml/bin/sx_server.ml
+++ b/hosts/ocaml/bin/sx_server.ml
@@ -1030,7 +1030,9 @@ let rec dispatch env cmd =
     (try
       let exprs = Sx_parser.parse_all src in
       let result = List.fold_left (fun _acc expr ->
-        Sx_ref.eval_expr expr (Env env)
+        (* Use IO-aware eval to handle import suspensions *)
+        let state = Sx_ref.make_cek_state expr (Env env) (List []) in
+        cek_run_with_io state
       ) Nil exprs in
       (* Use ok-raw with natural list serialization — no (list ...) wrapping.
          This preserves the SX structure for Python to parse back. *)
diff --git a/hosts/ocaml/browser/compile-modules.js b/hosts/ocaml/browser/compile-modules.js
index e2b6d096..2529e927 100644
--- a/hosts/ocaml/browser/compile-modules.js
+++ b/hosts/ocaml/browser/compile-modules.js
@@ -88,7 +88,7 @@ const t1 = Date.now();
 const result = spawnSync(binPath, [], {
   input: fs.readFileSync(tmpFile),
   maxBuffer: 100 * 1024 * 1024, // 100MB
-  timeout: 300000, // 5 min
+  timeout: 600000, // 10 min
   stdio: ['pipe', 'pipe', 'pipe'],
 });