diff --git a/src/doc/rustc-dev-guide/rust-version b/src/doc/rustc-dev-guide/rust-version
index dc52e0928cc4..dd333f98f966 100644
--- a/src/doc/rustc-dev-guide/rust-version
+++ b/src/doc/rustc-dev-guide/rust-version
@@ -1 +1 @@
-b8005bff3248cfc6e327faf4fa631ac49bb49ba9
+c02a4f0852e6665cf3df3867982021383f5615df