diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index d77f246a2a..81fce26194 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "nightly-2024-02-17"
+channel = "nightly-2023-12-19"