diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index b9a3311a7fb0..86c272680bd2 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -369,8 +369,8 @@ jobs:
           key: ${{ runner.os }}-cargo-miri-${{ hashFiles('**/Cargo.lock') }}
       - name: Setup Rust toolchain
         run: |
-          rustup toolchain install nightly-2022-01-17
-          rustup default nightly-2022-01-17
+          rustup toolchain install nightly-2022-08-20
+          rustup default nightly-2022-08-20
           rustup component add rustfmt clippy miri
       - name: Run Miri Checks
         env:
@@ -379,9 +379,7 @@ jobs:
           MIRIFLAGS: "-Zmiri-disable-isolation"
         run: |
           cargo miri setup
-          cargo clean
-          # Ignore MIRI errors until we can get a clean run
-          cargo miri test || true
+          cargo miri test
 
   # Check answers are correct when hash values collide
   hash-collisions: