diff --git a/net_sys/Cargo.toml b/net_sys/Cargo.toml
index d6125e2edf..ec0426965f 100644
--- a/net_sys/Cargo.toml
+++ b/net_sys/Cargo.toml
@@ -2,6 +2,7 @@
 name = "net_sys"
 version = "0.1.0"
 authors = ["The Chromium OS Authors"]
+edition = "2018"
 
 [dependencies]
 sys_util = { path = "../sys_util" }
diff --git a/net_util/Cargo.toml b/net_util/Cargo.toml
index 1bcf18c0a7..bfa3bc8382 100644
--- a/net_util/Cargo.toml
+++ b/net_util/Cargo.toml
@@ -2,6 +2,7 @@
 name = "net_util"
 version = "0.1.0"
 authors = ["The Chromium OS Authors"]
+edition = "2018"
 
 [dependencies]
 libc = "*"