diff --git a/kernel_cmdline/Cargo.toml b/kernel_cmdline/Cargo.toml
index 03c43389b7..0000610e36 100644
--- a/kernel_cmdline/Cargo.toml
+++ b/kernel_cmdline/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "kernel_cmdline"
 version = "0.1.0"
+edition = "2018"
 
 [dependencies]
 libc = "*"
diff --git a/kernel_loader/Cargo.toml b/kernel_loader/Cargo.toml
index 52aeadb9f7..b49dbad856 100644
--- a/kernel_loader/Cargo.toml
+++ b/kernel_loader/Cargo.toml
@@ -1,6 +1,7 @@
 [package]
 name = "kernel_loader"
 version = "0.1.0"
+edition = "2018"
 
 [dependencies]
 libc = "*"