diff --git a/rust-toolchain b/rust-toolchain
index a14eedce0c454d848ed62e7d7084600aedf0284e..2c78ef84d9c69e958f39dba844b8863459525c9a 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2021-07-01
+nightly-2021-07-15