diff --git a/.github/workflows/doc-and-test.yml b/.github/workflows/doc-and-test.yml
index d06a230f9..0a05371e2 100644
--- a/.github/workflows/doc-and-test.yml
+++ b/.github/workflows/doc-and-test.yml
@@ -4,7 +4,7 @@ on: [push]
 
 env:
   CARGO_TERM_COLOR: always
-  rust_toolchain: nightly-2023-10-09
+  rust_toolchain: nightly-2024-01-18
 
 jobs:
   build-doc:
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 3425f9480..dd54f2ef8 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
 profile = "minimal"
 # use the nightly version of the last stable toolchain, see <https://forge.rust-lang.org/>
-channel = "nightly-2023-10-09"
+channel = "nightly-2024-01-18"
 components = ["rust-src", "llvm-tools-preview", "rustfmt", "clippy"]