diff --git a/keypair/rust-toolchain.toml b/keypair/rust-toolchain.toml
index d5886f99..bc695163 100644
--- a/keypair/rust-toolchain.toml
+++ b/keypair/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2022-08-30"
+channel = "nightly-2023-12-06"
 targets = [ "x86_64-apple-darwin", "x86_64-unknown-linux-gnu" ]
diff --git a/service/rust-toolchain.toml b/service/rust-toolchain.toml
index 7e45ce8c..0a81fec5 100644
--- a/service/rust-toolchain.toml
+++ b/service/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2022-12-06"
+channel = "nightly-2023-12-06"
 targets = [ "x86_64-apple-darwin", "wasm32-wasi", "wasm32-unknown-unknown", "x86_64-unknown-linux-gnu" ]