diff --git a/.github/workflows/curve25519-dalek.yml b/.github/workflows/curve25519-dalek.yml
index ec4ef55d6..6ffd281c2 100644
--- a/.github/workflows/curve25519-dalek.yml
+++ b/.github/workflows/curve25519-dalek.yml
@@ -140,10 +140,10 @@ jobs:
     - uses: risc0/risc0/.github/actions/rustup@main
     - env:
         INPUT_TOOLCHAIN: 'nightly'
-    - run: cargo -Z minimal-versions check --no-default-features --features serde
+      run: cargo -Z minimal-versions check --no-default-features --features serde
     # Now check that `cargo build` works with respect to the oldest possible
     # deps and the stated MSRV
-    - uses: dtolnay/rust-toolchain@1.60.0
+    - uses: risc0/risc0/.github/actions/rustup@main
     - run: cargo build --no-default-features --features serde
     # Also make sure the AVX2 build works
     - run: cargo build --target x86_64-unknown-linux-gnu
diff --git a/.github/workflows/ed25519-dalek.yml b/.github/workflows/ed25519-dalek.yml
index 914c9211a..4eaf47d65 100644
--- a/.github/workflows/ed25519-dalek.yml
+++ b/.github/workflows/ed25519-dalek.yml
@@ -29,8 +29,8 @@ jobs:
     - uses: risc0/risc0/.github/actions/rustup@main
     - env:
         INPUT_TOOLCHAIN: 'nightly'
-    - run: cargo -Z minimal-versions check --no-default-features --features serde
+      run: cargo -Z minimal-versions check --no-default-features --features serde
       # Now check that `cargo build` works with respect to the oldest possible
       # deps and the stated MSRV
-    - uses: dtolnay/rust-toolchain@1.60.0
+    - uses: risc0/risc0/.github/actions/rustup@main
     - run: cargo build
diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index c752c1f65..2739d7ca5 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -40,7 +40,7 @@ jobs:
     - uses: risc0/risc0/.github/actions/rustup@main
     - env:
         INPUT_TOOLCHAIN: 'nightly'
-    - run: cargo test
+      run: cargo test
 
   bench:
     name: Check that benchmarks compile
@@ -92,7 +92,7 @@ jobs:
         components: clippy
     - env:
         INPUT_TOOLCHAIN: 'nightly'
-    - run: cargo clippy --target x86_64-unknown-linux-gnu --all-features
+      run: cargo clippy --target x86_64-unknown-linux-gnu --all-features
 
   rustfmt:
     name: Check formatting
diff --git a/.github/workflows/x25519-dalek.yml b/.github/workflows/x25519-dalek.yml
index 56d454ed5..9dad76607 100644
--- a/.github/workflows/x25519-dalek.yml
+++ b/.github/workflows/x25519-dalek.yml
@@ -29,7 +29,7 @@ jobs:
     - uses: risc0/risc0/.github/actions/rustup@main
     - env:
         INPUT_TOOLCHAIN: 'nightly'
-    - run: cargo -Z minimal-versions check --no-default-features --features serde
+      run: cargo -Z minimal-versions check --no-default-features --features serde
       # Now check that `cargo build` works with respect to the oldest possible
       # deps and the stated MSRV
     - uses: dtolnay/rust-toolchain@1.60.0