diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 044541aaf8..f1ae3eae45 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2021-05-28"
+channel = "nightly-2021-08-13"
 targets = ["wasm32-unknown-unknown"]
 components = ["rustfmt"]