diff --git a/.github/workflows/miri.yaml b/.github/workflows/miri.yaml
index 73dfc0092836..bcbb48ed31fc 100644
--- a/.github/workflows/miri.yaml
+++ b/.github/workflows/miri.yaml
@@ -29,7 +29,7 @@ jobs:
     strategy:
       matrix:
         arch: [amd64]
-        rust: [nightly-2022-01-17]
+        rust: [nightly-2021-10-23]
     steps:
       - uses: actions/checkout@v2
         with: