diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 58ab6a3a..652586c8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -115,7 +115,8 @@ jobs:
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly
+          # nightly regression https://github.com/rust-lang/rust/issues/95267
+          toolchain: nightly-2022-03-20
           profile: minimal
           components: rustfmt, clippy
           override: true
@@ -123,9 +124,9 @@ jobs:
         with:
           cache-on-failure: true
       - name: cargo fmt
-        run: cargo +nightly fmt --all -- --check
+        run: cargo +nightly-2022-03-20 fmt --all -- --check
       - name: cargo clippy
-        run: cargo +nightly clippy --all-features -- -D warnings
+        run: cargo +nightly-2022-03-20 clippy --all --all-features -- -D warnings
 
   wasm:
     name: WASM