diff --git a/.github/workflows/minimal-versions.yml b/.github/workflows/minimal-versions.yml
index 2cc133a..e9f69b4 100644
--- a/.github/workflows/minimal-versions.yml
+++ b/.github/workflows/minimal-versions.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly
+          toolchain: nightly-2022-11-21
           override: true
           profile: minimal
       - uses: RustCrypto/actions/cargo-hack-install@master