diff --git a/util/network-devp2p/src/host.rs b/util/network-devp2p/src/host.rs
index 8d8a1459c..81e304f1a 100644
--- a/util/network-devp2p/src/host.rs
+++ b/util/network-devp2p/src/host.rs
@@ -49,7 +49,7 @@ use network::{ConnectionFilter, ConnectionDirection};
 
 type Slab<T> = ::slab::Slab<T, usize>;
 
-const MAX_SESSIONS: usize = 1024 + MAX_HANDSHAKES;
+const MAX_SESSIONS: usize = 2048 + MAX_HANDSHAKES;
 const MAX_HANDSHAKES: usize = 1024;
 
 const DEFAULT_PORT: u16 = 30303;