diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index 4a79b16..7609116 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Install Rust
         uses: https://codeberg.org/wackbyte/rust-toolchain@trunk
         with:
-          toolchain: stable
+          toolchain: nightly-2025-10-02
           components: rustfmt, clippy, rust-src
       - name: Cache
         uses: https://github.com/Swatinem/rust-cache@v2