diff --git a/interop/src/main.rs b/interop/src/main.rs
index 3400c9b75..14649269a 100644
--- a/interop/src/main.rs
+++ b/interop/src/main.rs
@@ -1,4 +1,5 @@
 #![allow(clippy::mutex_atomic, clippy::eval_order_dependence)]
+#![type_length_limit = "2121396"]
 
 use std::{
     env,
diff --git a/interop/src/qif.rs b/interop/src/qif.rs
index 54c8ad738..e90d4b3de 100644
--- a/interop/src/qif.rs
+++ b/interop/src/qif.rs
@@ -1,3 +1,5 @@
+#![type_length_limit = "2121396"]
+
 /// Offline QPACK interop test tool
 ///
 /// QIF - Quic Interop File
diff --git a/interop/src/server.rs b/interop/src/server.rs
index 01eeab550..5e0cfe9b6 100644
--- a/interop/src/server.rs
+++ b/interop/src/server.rs
@@ -1,3 +1,5 @@
+#![type_length_limit = "2121396"]
+
 use std::{
     ascii, cmp,
     ffi::OsStr,