diff --git a/rust-toolchain b/rust-toolchain
index 268f9495..78957813 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2021-04-25"
+channel = "nightly-2021-06-27"
 components = ["llvm-tools-preview"]
 targets = ["aarch64-unknown-none-softfloat"]