diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 2ce412d5..ab40f4f4 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.90.0"
+channel = "1.88.0"
 profile = "default"