diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index 2c89b91e..bc8aa2e0 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -26,7 +26,7 @@ permissions:
 env:
   NODE_VERSION: 22
   PNPM_VERSION: 10.13.1
-  RUST_TOOLCHAIN: 1.89.0
+  RUST_TOOLCHAIN: nightly-2025-12-04
 
 jobs:
   bump-version:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a9f49787..08d1b9ac 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -46,7 +46,7 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.89.0
+          toolchain: nightly-2025-12-04
           components: rustfmt, clippy
 
       - name: Cache Rust dependencies
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index dc8f35fc..30d26ad8 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.89.0"
+channel = "nightly-2025-12-04"
 components = [
     "rustfmt",
     "rustc",