diff --git a/resources/Cargo.toml b/resources/Cargo.toml
index 510e9cacfe..0226b6512e 100644
--- a/resources/Cargo.toml
+++ b/resources/Cargo.toml
@@ -2,6 +2,7 @@
 name = "resources"
 version = "0.1.0"
 authors = ["The Chromium OS Authors"]
+edition = "2018"
 
 [features]
 wl-dmabuf = ["gpu_buffer"]