diff --git a/rust-toolchain b/rust-toolchain
index cb8cb0978f6..e3863c46288 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2021-05-20"
+channel = "nightly-2021-06-03"
 components = ["llvm-tools-preview", "rustc-dev", "rust-src"]