diff --git a/Cargo.toml b/Cargo.toml
index 68a84e9..f45a4ec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ license = "BSD-2-Clause"
 volatile-register = "0.2"
 aligned = "0.3"
 embedded-hal = "0.2"
-smoltcp = { version = "0.6.0", default-features = false, features = ["proto-ipv4", "proto-ipv6", "socket-icmp", "socket-udp", "socket-tcp", "log", "verbose", "ethernet"], optional = true }
+smoltcp = { version = "0.7.0", default-features = false, features = ["proto-ipv4", "proto-ipv6", "socket-icmp", "socket-udp", "socket-tcp", "log", "verbose", "ethernet"], optional = true }
 # Optional dependencies for building examples
 stm32f4xx-hal = { version = "0.8", optional = true }
 cortex-m = { version = "0.5", optional = true }
diff --git a/examples/tcp_stm32f407.rs b/examples/tcp_stm32f407.rs
index 80e3278..cd3d18e 100644
--- a/examples/tcp_stm32f407.rs
+++ b/examples/tcp_stm32f407.rs
@@ -101,8 +101,6 @@ static mut NET_STORE: NetStorage = NetStorage {
 const APP: () = {
     struct Resources {
         eth_iface: EthernetInterface<
-            'static,
-            'static,
             'static,
             smoltcp_phy::SmoltcpDevice<BoosterSpiEth>>,
         itm: ITM